Patch Repository

Windows 8.1 Enterprise Edition (x64) Patches
S.No Patch Description Bulletin id Severity
1Cumulative Security Update for ActiveX Killbits for windows 8.1 for x64-based Systems (KB2900986)MS13-090Critical
2Windows 8.1 Update 1 for x64-based Systems (KB2919355)MS14-018Critical
3Windows 8.1 Update for x64-based Systems (KB2932046)MS14-018Critical
4Windows 8.1 Update for x64-based Systems (KB2934018)MS14-018Critical
5Windows 8.1 Update for x64-based Systems (KB2937592)MS14-018Critical
6Windows 8.1 Update for x64-based Systems (KB2938439)MS14-018Critical
7Security Update for Windows 8.1 for x64-based Systems (KB2928120)MS14-025Important
8Security Update for Windows 8.1 for x64-based Systems (KB2961899) without KB2919355MS14-025Important
9Security Update for Windows 8.1 for x64-based Systems (KB2957189)MS14-031Important
10Security Update for Windows 8.1 for x64-based Systems (KB2978742)MS14-043Critical
11Security Update for Windows 8.1 for x64-based Systems (KB2993651)MS14-045Important
12Security Update for Windows 8.1 for x64-based Systems (KB3010788)MS14-064Important
13Security Update for Windows 8.1 for x64-based Systems (KB3003743)MS14-074Important
14Security Update for Windows 8.1 for x64-based Systems (KB2982998)MS14-076Important
15Security Update for Windows 8.1 for x64-based Systems (KB3020393)MS15-002Critical
16Security Update for Windows 8.1 for x64-based Systems (KB3021674)MS15-003Important
17Security Update for Windows 8.1 for x64-based Systems (KB3019978)MS15-004Important
18Security Update for Windows 8.1 for x64-based Systems (KB3022777)MS15-005Important
19Security Update for Windows 8.1 for x64-based Systems (KB3004365)MS15-006Important
20Security Update for Windows 8.1 for x64-based Systems (KB3000483)MS15-011Critical
21Security Update for Windows 8.1 for x64-based Systems (KB3004361)MS15-014Important
22Security Update for Windows 8.1 for x64-based Systems (KB3030377)MS15-028Important
23Security Update for Windows 8.1 for x64-based Systems (KB3035126)MS15-029Important
24Security Update for Windows 8.1 for x64-based Systems (KB3042553)MS15-034Critical
25Security Update for Windows 8.1 for x64-based Systems (KB3045685)MS15-038Important
26Security Update for Windows 8.1 for x64-based Systems (KB3047234)MS15-042Important
27Security Update for Windows 8.1 for x64-based Systems (KB3055642)MS15-050Important
28Security Update for Windows 8.1 for x64-based Systems (KB3059317)MS15-060Important
29Security Update for Windows 8.1 for x64-based Systems (KB3046339)MS15-068Critical
30Security Update for Windows 8.1 for x64-based Systems (KB3046359)MS15-068Critical
31Security Update for Windows 8.1 for x64-based Systems (KB3061512)MS15-069Important
32Security Update for Windows 8.1 for x64-based Systems (KB3072630)MS15-074Important
33Security Update for Windows 8.1 for x64-based Systems (KB3075220)MS15-082Important
34Security Update for Windows 8.1 for x64-based Systems (KB3076895)MS15-084Important
35Security Update for Windows 8.1 for x64-based Systems (KB3071756)MS15-085Important
36Security Update for Windows 8.1 for x64-based Systems (KB3046017)MS15-088Important
37Security Update for Windows 8.1 for x64-based Systems (KB3076949)MS15-089Important
38Security Update for Windows 8.1 for x64-based Systems (KB3084135)MS15-102Important
39Security Update for Windows 8.1 for x64-based Systems (KB3082089)MS15-102Important
40Security Update for Windows 8.1 for x64-based Systems (KB3087088)MS15-105Important
41Security Update for Windows 8.1 for x64-based Systems (KB3086255)MS15-097Critical
42Security Update for Windows 8.1 for x64-based Systems (KB3092601)MS15-119Important
43Security Update for Windows 8.1 for x64-based Systems (KB3102939)MS15-120Important
44Security Update for Windows 8.1 for x64-based Systems (KB3109094)MS15-128Critical
45Security Update for Windows 8.1 for x64-based Systems (KB3108381)MS15-132Important
46Security Update for Windows 8.1 for x64-based Systems (KB3109103)MS15-133Important
47Security Update for Windows 8.1 for x64-based Systems (KB3124001)MS16-005Critical
48Security Update for Windows 8.1 for x64-based Systems (KB3121918)MS16-007Important
49Security Update for Windows 8.1 for x64-based Systems (KB3109560)MS16-007Important
50Security Update for Windows 8.1 for x64-based Systems (KB3110329)MS16-007Important
51Security Update for Windows 8.1 for x64-based Systems (KB3121461)MS16-007Important
52Custom Patch for Add AlwaysKillApps Registry ValueMS17-024Low
53Security Update for Windows 8.1 for x64-based Systems (KB3121212)MS16-008Important
54Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Jan 11, 2016MSRT-001Moderate
55Security Update for Windows 8.1 for x64-based Systems (KB3123294)MS16-012Critical
56Security Update for Windows 8.1 for x64-based Systems (KB3115858)MS16-013Critical
57Security Update for Windows 8.1 for x64-based Systems (KB3126587)MS16-014Important
58Security Update for Windows 8.1 for x64-based Systems (KB3126593)MS16-014Important
59Security Update for Windows 8.1 for x64-based Systems (KB3126434)MS16-014Important
60Security Update for Windows 8.1 for x64-based Systems (KB3124280)MS16-016Important
61Security Update for Windows 8.1 for x64-based Systems (KB3126446)MS16-017Important
62Security Update for Windows 8.1 for x64-based Systems (KB3134214)MS16-018Important
63Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Feb 09, 2016MSRT-001Moderate
64Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3135782)MS16-022Critical
65Security Update for Windows 8.1 for x64-based Systems (KB3126041)MS16-014Important
66Security Update for Windows 8.1 for x64-based Systems (KB3140735)MS16-026Critical
67Security Update for Windows 8.1 for x64-based Systems (KB3138910)MS16-027Critical
68Security Update for Windows 8.1 for x64-based Systems (KB3138962)MS16-027Critical
69Security Update for Windows 8.1 for x64-based Systems (KB3137513)MS16-028Critical
70Security Update for Windows 8.1 for x64-based Systems (KB3139940)MS16-030Important
71Security Update for Windows 8.1 for x64-based Systems (KB3139914)MS16-032Important
72Security Update for Windows 8.1 for x64-based Systems (KB3139398)MS16-033Important
73Security Update for Windows 8.1 for x64-based Systems (KB3139852)MS16-034Important
74Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Mar 08, 2016MSRT-001Moderate
75Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3144756)MS16-036Critical
76Security Update for Windows 8.1 for x64-based Systems (KB3145739)MS16-039Critical
77Security Update for Windows 8.1 for x64-based Systems (KB3135456)MS16-045Important
78Security Update for Windows 8.1 for x64-based Systems (KB3149090)MS16-047Important
79Security Update for Windows 8.1 for x64-based Systems (KB3146723)MS16-048Important
80Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3154132)MS16-050Critical
81Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Apr 13, 2016MSRT-001Moderate
82Security Update for Windows 8.1 for x64-based Systems (KB3146706)MS16-044Important
83Security Update for Windows 8.1 for x64-based Systems (KB3156013)MS16-055Critical
84Security Update for Windows 8.1 for x64-based Systems (KB3156016)MS16-055Critical
85Security Update for Windows 8.1 for x64-based Systems (KB3156019)MS16-055Critical
86Security Update for Windows 8.1 for x64-based Systems (KB3155178)MS16-056Critical
87Security Update for Windows 8.1 for x64-based Systems (KB3156059)MS16-057Critical
88Security Update for Windows 8.1 for x64-based Systems (KB3153704)MS16-061Important
89Security Update for Windows 8.1 for x64-based Systems (KB3153199)MS16-062Important
90Security Update for Windows 8.1 for x64-based Systems (KB3156017)MS16-062Important
91Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3157993)MS16-064Critical
92Security Update for Windows 8.1 for x64-based Systems (KB3155784)MS16-067Important
93Security Update for Windows 8.1 for x64-based Systems (KB3150220)MS16-059Important
94Security Update for Windows 8.1 for x64-based Systems (KB3153171)MS16-060Important
95Microsoft Windows Malicious Software Removal Tool (KB890830) x64 May 11, 2016MSRT-001Moderate
96Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3163207)MS16-064Critical
97Security Update for Windows 8.1 for x64-based Systems (KB3161664)MS16-073Important
98Security Update for Windows 8.1 for x64-based Systems (KB3159398)MS16-072Important
99Security Update for Windows 8.1 for x64-based Systems (KB3164033)MS16-074Important
100Security Update for Windows 8.1 for x64-based Systems (KB3164035)MS16-074Important
101Security Update for Windows 8.1 for x64-based Systems (KB3161561)MS16-075Important
102Security Update for Windows 8.1 for x64-based Systems (KB3161949)MS16-077Important
103Security Update for Windows 8.1 for x64-based Systems (KB3157569)MS16-080Important
104Security Update for Windows 8.1 for x64-based Systems (KB3161958)MS16-082Important
105Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Jun 14, 2016MSRT-001Moderate
106Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3167685)MS16-083Critical
107Security Update for Windows 8.1 for x64-based Systems (KB3170455)MS16-087Critical
108Security Update for Windows 8.1 for x64-based Systems (KB3168965)MS16-090Important
109Security Update for Windows 8.1 for x64-based Systems (KB3170377)MS16-092Important
110Security Update for Windows 8.1 for x64-based Systems (KB3169704)MS16-092Important
111Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3174060)MS16-093Critical
112Security Update for Windows 8.1 for x64-based Systems (KB3172727)MS16-094Important
113Microsoft Windows Malicious Software Removal Tool (KB890830) x64 July 14, 2016MSRT-001Moderate
114Security Update for Windows 8.1 for x64-based Systems (KB3178034)MS16-097Critical
115Security Update for Windows 8.1 for x64-based Systems (KB3177725)MS16-098Important
116Security Update for Windows 8.1 for x64-based Systems (KB3172729)MS16-100Important
117Security Update for Windows 8.1 for x64-based Systems (KB3167679)MS16-101Important
118Security Update for Windows 8.1 for x64-based Systems (KB3177108)MS16-101Important
119Security Update for Windows 8.1 for x64-based Systems (KB3175887)MS16-102Critical
120Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Aug 10, 2016MSRT-001Moderate
121Security Update for Windows 8.1 for x64-based Systems (KB3185911)MS16-106Important
122Security Update for Windows 8.1 for x64-based Systems (KB3184471)MS16-110Important
123Security Update for Windows 8.1 for x64-based Systems (KB3187754)MS16-110Important
124Security Update for Windows 8.1 for x64-based Systems (KB3175024)MS16-111Important
125Security Update for Windows 8.1 for x64-based Systems (KB3178539)MS16-112Important
126Security Update for Windows 8.1 for x64-based Systems (KB3177186)MS16-114Important
127Security Update for Windows 8.1 for x64-based Systems (KB3184943)MS16-115Important
128Security Update for Windows 8.1 for x64-based Systems (KB3184122)MS16-116Critical
129Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3188128)MS16-117Critical
130Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Sep 13, 2016MSRT-001Moderate
131October, 2016 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB3192392)MS16-123Important
132Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3194343)MS16-127Critical
133Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Oct 11, 2016MSRT-001Moderate
134October, 2016 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB3185331)MS16-124Important
135Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3201860)MS16-128Critical
136November, 2016 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB3197873)MS16-130Critical
137November, 2016 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB3197874)MS16-130Critical
138Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3202790)MS16-141Critical
139Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Nov 08, 2016MSRT-001Moderate
140December, 2016 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB3205400)MS16-146Critical
141December, 2016 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB3205401)MS16-146Critical
142Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3209498)MS16-154Critical
143Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Dec 13, 2016MSRT-001Moderate
144Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB3214628)MS17-003Critical
145Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Jan 10, 2017MSRT-001Moderate
146Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Feb 21, 2017MSRT-001Moderate
147Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4010250)MS17-005Critical
148Cumulative Security Update for Internet Explorer 11 for Windows 8.1 for x64-based Systems (KB4012204)MS17-006Critical
149March, 2017 Security Only Quality Update for Windows 8.1 for x64-based Systems - WannaCrypt Ransomware Worm(KB4012213)MS17-010Critical
150Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4014329)MS17-023Critical
151March, 2017 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems - WannaCrypt Ransomware Worm(KB4012216)MS17-006Critical
152Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Mar 14, 2017MSRT-001Moderate
153April, 2017 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4015550)MS17-APR1Critical
154Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4018483)MS17-APR6Critical
155April, 2017 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4015547)MS17-APR7Important
156Microsoft Windows Malicious Software Removal Tool (KB890830) x64 April 11, 2017MSRT-001Moderate
157Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4020821)MS17-MAY5Critical
1582017-05 Security Monthly Quality Rollup Update includes WannaCrypt Fix(MS17-010) and May Month Quality Rollup for Windows 8.1 for x64-based Systems (KB4019215)MS17-MAY6Important
159Microsoft Windows Malicious Software Removal Tool (KB890830) x64 May 9, 2017MSRT-001Moderate
1602017-05 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4019213)MS17-MAY6Important
161Windows Malicious Software Removal Tool x64 - May 2017 (KB890830)MSRT-001Moderate
1622017-06 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4022726)MS17-JUN2Critical
1632017-06 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4022717)MS17-JUN2Critical
1642017-06 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4022730)MS17-JUN4Critical
165Windows Malicious Software Removal Tool x64 - June 2017 (KB890830)MSRT-001Moderate
1662017-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4025336)MS17-JUL2Critical
1672017-07 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4025333)MS17-JUL2Critical
1682017-07 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4025376)MS17-JUL4Critical
169Windows Malicious Software Removal Tool x64 - July 2017 (KB890830)MSRT-001Moderate
1702017-08 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4034681)MS17-AUG1Critical
1712017-08 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4034672)MS17-AUG1Critical
1722017-08 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4034662)MS17-AUG3Critical
173Windows Malicious Software Removal Tool x64 - August 2017 (KB890830)MSRT-001Moderate
1742017-09 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4038792)MS17-SEP1Critical
1752017-09 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4038793)MS17-SEP1Critical
176Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4038806)MS17-SEP3Critical
177Windows Malicious Software Removal Tool x64 - september 2017 (KB890830)MSRT-001Moderate
1782017-10 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4041687)MS17-OCT1Critical
1792017-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4041693)MS17-OCT1Critical
180Windows Malicious Software Removal Tool x64 - October 2017 (KB890830)MSRT-001Moderate
181Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4049179)MS17-OCT7Critical
1822017-11 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4048958)MS17-NOV1Critical
1832017-11 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4048961)MS17-NOV1Critical
184 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4048951)MS17-NOV4Critical
185Windows Malicious Software Removal Tool x64 - November 2017 (KB890830)MSRT-001Moderate
1862017-12 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4054519)MS17-DEC1Critical
1872017-12 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4054522)MS17-DEC1Important
188Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4053577)MS17-DEC5Critical
189Windows Malicious Software Removal Tool x64 - December 2017 (KB890830)MSRT-001Moderate
1902018-01 Security Only Quality Update for Windows 8.1 for x64-based Systems - Meltdown and Spectre (KB4056898)MS18-JAN1Important
1912018-01 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems - Meltdown and Spectre (KB4056895)MS18-JAN1Critical
192Prerequisite Handler for Meltdown and SpectreMS18-JAN5Critical
1932018-01 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4056887)MS18-JAN6Critical
194Windows Malicious Software Removal Tool x64 - January 2018 (KB890830)MSRT-001Moderate
1952018-02 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4074595)MS18-FEB1Critical
1962018-02 Security Only Quality Update for Windows 8.1 for x64-based Systems - Meltdown and SpectreKB4074597)MS18-FEB2Critical
1972018-02 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems - Meltdown and Spectre(KB4074594)MS18-FEB2Critical
198Windows Malicious Software Removal Tool x64 - February 2018 (KB890830)MSRT-001Unrated
199Windows Malicious Software Removal Tool x64 - March 2018 (KB890830)MSRT-001Unrated
200Windows Malicious Software Removal Tool x64 - April 2018 (KB890830)MSRT-001Unrated
201Windows Malicious Software Removal Tool x64 - May 2018 (KB890830)MSRT-001Unrated
202Windows Malicious Software Removal Tool x64 - June 2018 (KB890830)MSRT-001Unrated
203Windows Malicious Software Removal Tool x64 - July 2018 (KB890830)MSRT-001Unrated
204Windows Malicious Software Removal Tool x64 - August 2018 (KB890830)MSRT-001Unrated
205Windows Malicious Software Removal Tool x64 - September 2018 (KB890830)MSRT-001Unrated
206Windows Malicious Software Removal Tool x64 - October 2018 (KB890830)MSRT-001Unrated
207Windows Malicious Software Removal Tool x64 - November 2018 (KB890830)MSRT-001Unrated
208Prerequisite Handler for Meltdown and SpectreMS18-JAN5Critical
2092018-03 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4088785)MS18-MAR1Critical
2102018-03 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4088876)MS18-MAR2Important
2112018-03 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4088879)MS18-MAR2Important
2122018-04 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4093115)MS18-APR2Critical
2132018-04 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4093110)MS18-APR1Critical
2142018-04 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4093114) MS18-APR7Critical
2152018-05 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4103729)MS18-MAY1Critical
216Cumulative Security Update for Internet Explorer 11 for Windows 8.1 for x64-based Systems (KB4103768)MS18-MAY5Critical
2172018-05 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4103715)MS18-MAY2Critical
2182018-05 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4103725)MS18-MAY6Critical
2192018-06 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4287903)MS18-JUN1Critical
2202018-06 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4284878)MS18-JUN2Critical
2212018-06 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4284815)MS18-JUN6Critical
2222018-07 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4338832)MS18-JULY1Critical
2232018-07 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4338824)MS18-JULY2Important
2242018-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4338815)MS18-JULY6Important
2252018-08 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4343902)MS18-AUG1Critical
2262018-08 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4343888)MS18-AUG2Critical
2272018-08 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4343898)MS18-AUG6Critical
2282018-09 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4457146)MS18-SEP1Critical
2292018-09 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4457143)MS18-SEP2Critical
2302018-09 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4457129)MS18-SEP6Critical
2312018-10 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4462941)MS18-OCT2Critical
2322018-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4462926)MS18-OCT6Critical
2332018-11 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4467694)MS18-NOV1Critical
2342018-11 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4467703)MS18-NOV2Critical
2352018-11 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4467697)MS18-NOV6Critical
2362018-11 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4477029)MS18-NOV12Critical
2372018-12 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4471331)MS18-DEC1Critical
2382018-12 Security and Quality Rollup for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows 8.1 and Server 2012 R2 for x64 (KB4470639)MS18-DEC8Important
2392018-12 Security and Quality Rollup for .NET Framework 4.5.2 for Windows 8.1 and Server 2012 R2 for x64 (KB4470622)MS18-DEC8Important
2402018-12 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4471322)MS18-DEC2Critical
2412018-12 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4471320)MS18-DEC6Critical
2422019-01 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4480979)MS19-JAN1Critical
2432019-01 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4480964)MS19-JAN2Important
2442019-01 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4480963)MS19-JAN6Important
2452019-02 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4487038)MS19-FEB1Critical
2462019-02 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4487028)MS19-FEB2Critical
2472019-02 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4487000)MS19-FEB6Critical
2482019-03 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4489907)MS19-MAR1Critical
2492019-03 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4489883)MS19-MAR2Critical
2502019-03 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4489881)MS19-MAR6Critical
2512019-04 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4493478)MS19-APR1Critical
2522019-04 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4493467)MS19-APR2Critical
2532019-04 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4493446)MS19-APR6Critical
2542019-05 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4497932)MS19-MAY1Critical
2552019-05 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4499165)MS19-MAY2Critical
2562019-05 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4499151)MS19-MAY6Critical
2572019-06 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4503308)MS19-JUN1Critical
2582019-06 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4503290)MS19-JUN2Critical
2592019-06 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4503276)MS19-JUN6Critical
2602019-07 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4507457) (CVE-2019-0880)MS19-JUL2Critical
2612019-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4507448) (CVE-2019-0880)MS19-JUL6Critical
2622019-07 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4504418)MS19-JUL12Critical
2632019-08 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4512489)MS19-AUG2Critical
2642019-08 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4512488)MS19-AUG6Critical
2652019-09 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4516064)MS19-SEP2Critical
2662019-09 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4516115)MS19-SEP1Critical
2672019-09 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4516067)MS19-SEP6Critical
2682019-09 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4512938)MS19-SEP12Critical
2692019-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4524156)MS19-OCT14Critical
2702019-10 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4519990)MS19-OCT2Critical
2712019-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4520005)MS19-OCT6Critical
2722019-10 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4521864)MS19-OCT15Critical
2732019-11 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4525243)MS19-NOV6Critical
2742019-11 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4525250)MS19-NOV2Critical
2752019-11 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4524445)MS19-NOV12Critical
2762019-12 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4530730)MS19-DEC2Critical
2772019-12 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4530702)MS19-DEC6Critical
2782020-01 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4534309)MS20-JAN2Critical
2792020-01 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4534297)MS20-JAN6Critical
2802020-02 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4537759)MS20-FEB1Critical
2812020-02 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4537821)MS20-FEB6Critical
2822020-02 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4537803)MS20-FEB2Critical
2832020-02 Security Update for Windows 8.1 for x64-based Systems (KB4502496)MS20-FEB8Critical
2842020-03 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4541505)MS20-MAR2Critical
2852020-03 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4541509)MS20-MAR6Critical
2862020-03 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4540725)MS20-MAR12Critical
287Workaround for Font Parsing Remote Code Execution VulnerabilityMS20-MAR25Critical
288Patch for Undoing the changes of Workaround for Font Parsing Remote Code Execution VulnerabilityMS20-MAR25Critical
2892020-04 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4550970)MS20-APR2Critical
2902020-04 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4550961)MS20-APR6Critical
2912020-05 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4556853)MS20-MAY2Critical
2922020-05 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4556846)MS20-MAY6Critical
2932020-05 Update for Windows 8.1 for x64-based Systems (KB4557900)MS20-MAY13Unrated
2942020-06 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4561673)MS20-JUN2Critical
2952020-06 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4561666)MS20-JUN6Critical
2962020-06 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4562253)MS20-JUN12Critical
2972020-06 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4561600)MS20-JUN1Critical
2982020-07 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4565540,KB4569509) (CVE-2020-1350)MS20-JUL2Critical
2992020-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4565541,KB4569509) (CVE-2020-1350)MS20-JUL6Critical
3002020-07 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4566425)MS20-JUL12Critical
3012020-08 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4571723) (CVE-2020-1464) (CVE-2020-1472)MS20-AUG2Critical
3022020-08 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4571703) (CVE-2020-1464) (CVE-2020-1380) (CVE-2020-1472)MS20-AUG6Critical
3032020-08 Security Update for Windows 8.1 for x64-based Systems (KB4578013)MS20-AUG16Critical
3042020-09 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4577071)MS20-SEP2Critical
3052020-09 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4577066)MS20-SEP6Critical
3062020-09 Update for Windows 8.1 for x64-based Systems (KB4566371)MS20-SEP16Low
3072020-10 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4580358)MS20-OCT2Critical
3082020-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4580347)MS20-OCT6Critical
3092020-10 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4580325)MS20-OCT1Critical
3102020-10 Update for Windows 8.1 for x64-based Systems (KB4578623)MS20-OCT13Low
3112020-11 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4586823) (CVE-2020-17087)MS20-NOV2Critical
3122020-11 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4586845) (CVE-2020-17087)MS20-NOV6Critical
3132020-12 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4592495)MS20-DEC2Important
3142020-12 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4592484)MS20-DEC6Important
3152021-01 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4598275)MS21-JAN2Critical
3162021-01 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4598285)MS21-JAN6Critical
3172021-01 Security Update for Windows 8.1 for x64-based Systems (KB4535680)MS21-JAN13Critical
3182021-02 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4601349)MS21-FEB2Critical
3192021-02 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4601384)MS21-FEB6Critical
3202021-03 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB5000853) (CVE-2021-27077)MS21-MAR2Critical
3212021-03 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5000848) (CVE-2021-27077) (CVE-2021-26411)MS21-MAR6Critical
3222021-04 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB5001393) (CVE-2021-28437) (CVE-2021-27091)MS21-APR2Critical
3232021-04 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5001382) (CVE-2021-28437)MS21-APR6Critical
3242021-04 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB5001403)MS21-APR12Critical
3252021-04 Update for Windows 8.1 for x64-based Systems (KB4601275)MS21-APR13Low
3262021-05 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB5003220)MS21-MAY2Critical
3272021-05 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5003209)MS21-MAY6Critical
3282021-06 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB5003681)MS21-JUN2Critical
3292021-06 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5003671)MS21-JUN6Critical
3302021-07 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB5004958) (CVE-2021-34527)MS21-JUL12Critical
3312021-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5004954) (CVE-2021-34527)MS21-JUL14Critical
3322021-07 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB5004285)MS21-JUL2Critical
3332021-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5004298)MS21-JUL6Critical
3342021-08 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB5005106) (CVE-2021-36936) (CVE-2021-36942)MS21-AUG2Critical
3352021-08 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5005076) (CVE-2021-36936) (CVE-2021-36942)MS21-AUG6Critical
3362021-09 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB5005627) (CVE-2021-40444)MS21-SEP2Critical
3372021-09 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5005613) (CVE-2021-40444)MS21-SEP6Critical
3382021-10 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB5006729) (CVE-2021-40449) (CVE-2021-40469) (CVE-2021-41335) (CVE-2021-41338)MS21-OCT2Important
3392021-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB5006714) (CVE-2021-40449) (CVE-2021-40469) (CVE-2021-41335) (CVE-2021-41338)MS21-OCT6Important
340Update for Windows 8.1 for x64-based Systems (KB2898742)MSWU-711Unrated
341Update for Windows 8.1 for x64-based Systems (KB2883200)MSWU-712Unrated
342Update for Windows 8.1 for x64-based Systems (KB2894029)MSWU-712Unrated
343Update for Windows 8.1 for x64-based Systems (KB2894179)MSWU-712Unrated
344Update for Windows 8.1 for x64-based Systems (KB2887595)MSWU-730Unrated
345Update for Windows 8.1 for x64-based Systems (KB2898514)MSWU-730Unrated
346Update for Windows 8.1 for x64-based Systems (KB2901101)MSWU-730Unrated
347Update for Windows 8.1 for x64-based Systems (KB2906956)MSWU-730Unrated
348Update for Windows 8.1 for x64-based Systems (KB2908174)MSWU-730Unrated
349Security Update for Windows 8.1 for x64-based Systems (KB2862152)MSWU-731Unrated
350Update for Microsoft Camera Codec Pack for Windows 8.1 for x64-based Systems (KB2899189)MSWU-736Unrated
351Update for Windows 8.1 for x64-based Systems (KB2903939)MSWU-739Unrated
352Update for Windows 8.1 for x64-based Systems (KB2911134)MSWU-739Unrated
353Update for Windows 8.1 for x64-based Systems (KB2919394)MSWU-790Unrated
354Update for Windows 8.1 for x64-based Systems (KB2928680)MSWU-818Unrated
355Update for Windows 8.1 for x64-based Systems (KB2939087)MSWU-827Unrated
356Security Update for Windows 8.1 for x64-based Systems (KB2962140)MSWU-856Unrated
357Update for Microsoft .NET Native for Windows 8.1 for x64-based Systems (KB2954879)MSWU-860Unrated
358Update for Windows 8.1 for x64-based Systems (KB2962409)MSWU-906Unrated
359Update for Windows 8.1 for x64-based Systems (KB2973448)MSWU-906Unrated
360Update for Windows 8.1 for x64-based Systems (KB2938066)MSWU-928Unrated
361Update for Windows 8.1 for x64-based Systems (KB2967917)MSWU-953Unrated
362Update for Windows 8.1 for x64-based Systems (KB2975061)MSWU-963Unrated
363Custom Patch for Add AlwaysKillApps Registry ValueMSWU-343Unrated
364Custom Patch for Remove AlwaysKillApps Registry ValueMSWU-343Unrated
365Security Update for Windows 8.1 for x64-based Systems (KB2973351)MSWU-967Low
366Update for Windows 8.1 for x64-based Systems (KB2980654)MSWU-976Unrated
367Update for Windows 8.1 for x64-based Systems (KB2990532)MSWU-995Unrated
368Update for Windows 8.1 for x64-based Systems (KB2979500)MSWU-999Unrated
369Update for Windows 8.1 for x64-based Systems (2979582)MSWU-995Unrated
370Update for Windows 8.1 for x64-based Systems (2993100)MSWU-995Unrated
371Update for Windows 8.1 for x64-based Systems (KB2994897)MSWU-1038Unrated
372Update for Windows 8.1 for x64-based Systems (KB2995004)MSWU-1038Unrated
373Update for Windows 8.1 for x64-based Systems (KB2990967)MSWU-1044Unrated
374Update for Internet Explorer Flash Player for Windows 8.1 for x64-based Systems (KB2999249)MSWU-1046Unrated
375Update for Windows 8.1 for x64-based Systems (KB2996799-V2)MSWU-1050Unrated
376Security Update for Windows 8.1 for x64-based Systems (KB2977292)MSWU-1054Critical
377Update for Windows 8.1 for x64-based Systems (KB3000850)MSWU-1113Unrated
378 Update for Windows 8.1 for x64-based Systems (KB3014442)MSWU-1113Unrated
379Update for Windows 8.1 for x64-based Systems (KB2989930)MSWU-1117Unrated
380Update for Windows 8.1 for x64-based Systems (KB2994290)MSWU-1118Unrated
381Update for Windows 8.1 for x64-based Systems (KB3013769)MSWU-1126Unrated
382Update for Windows 8.1 for x64-based Systems (KB3013816)MSWU-1127Unrated
383Update for Windows 8.1 for x64-based Systems (KB3008242)MSWU-1143Unrated
384Update for Windows 8.1 for x64-based Systems (KB3012235)MSWU-1218Unrated
385Update for Windows 8.1 for x64-based Systems (KB3012702)MSWU-1219Unrated
386Update for Windows 8.1 for x64-based Systems (KB3013172)MSWU-1220Unrated
387Update for Windows 8.1 for x64-based Systems (KB3018133)MSWU-1221Unrated
388Update for Windows 8.1 for x64-based Systems (KB3024751)MSWU-1223Unrated
389Update for Windows 8.1 for x64-based Systems (KB3024755)MSWU-1224Unrated
390Update for Windows 8.1 for x64-based Systems (KB3027209)MSWU-1226Unrated
391Update for Windows 8.1 for x64-based Systems (KB3029606)MSWU-1227Unrated
392Update for Windows 8.1 for x64-based Systems (KB3030947)MSWU-1228Unrated
393Update for Windows 8.1 for x64-based Systems (KB3036612)MSWU-1235Unrated
394Update for Windows 8.1 for x64-based Systems (KB3042085)MSWU-1269Unrated
395Security Update for Windows 8.1 for x64-based Systems (KB3045755)MSWU-1270Critical
396Update for Windows 8.1 for x64-based Systems (KB3044374)MSWU-1306Unrated
397Update for Windows 8.1 for x64-based Systems (KB3013531)MSWU-1309Unrated
398Update for Windows 8.1 for x64-based Systems (KB3013538)MSWU-1310Unrated
399Update for Windows 8.1 for x64-based Systems (KB3015696)MSWU-1311Unrated
400Update for Windows 8.1 for x64-based Systems (KB3020370)MSWU-1312Unrated
401Update for Windows 8.1 for x64-based Systems (KB3033446)MSWU-1314Unrated
402Update for Windows 8.1 for x64-based Systems (KB3037924)MSWU-1315Unrated
403Update for Windows 8.1 for x64-based Systems (KB3038002)MSWU-1316Unrated
404Update for Windows 8.1 for x64-based Systems (KB3044673)MSWU-1320Unrated
405Update for Windows 8.1 for x64-based Systems (KB3045717)MSWU-1321Unrated
406Update for Windows 8.1 for x64-based Systems (KB3045719)MSWU-1322Unrated
407Update for Windows 8.1 for x64-based Systems (KB3045992)MSWU-1323Unrated
408Update for Windows 8.1 for x64-based Systems (KB3046737)MSWU-1324Unrated
409Update for Windows 8.1 for x64-based Systems (KB3047254)MSWU-1325Unrated
410Update for Windows 8.1 for x64-based Systems (KB3053946)MSWU-1329Unrated
411Update for Windows 8.1 for x64-based Systems (KB3054169)MSWU-1331Unrated
412Update for Windows 8.1 for x64-based Systems (KB3046480)MSWU-1336Unrated
413Update for Windows 8.1 for x64-based Systems (KB3048043)MSWU-1337Unrated
414Update for Windows 8.1 for x64-based Systems (KB3029432)MSWU-1375Unrated
415Update for Windows 8.1 for x64-based Systems (KB3029603)MSWU-1376Unrated
416Update for Windows 8 for x64-based Systems (KB3040272)MSWU-1379Unrated
417Update for Windows 8.1 for x64-based Systems (KB3041857)MSWU-1380Unrated
418Update for Windows 8.1 for x64-based Systems (KB3045634)MSWU-1381Unrated
419Update for Windows 8.1 for x64-based Systems (KB3045746)MSWU-1382Unrated
420Update for Windows 8.1 for x64-based Systems (KB3054464)MSWU-1383Unrated
421Update for Windows 8.1 for x64-based Systems (KB3055323) MSWU-1385Unrated
422Security Update for Windows 8.1 for x64-based Systems (KB3062760)MSWU-1390Low
423Update for Windows 8.1 for x64-based Systems (KB3013791)MSWU-1423Unrated
424Update for Windows 8.1 for x64-based Systems (KB3064209)MSWU-1428Unrated
425Update for Windows 8.1 for x64-based Systems (KB3064059)MSWU-1429Unrated
426Update for Windows 8.1 for x64-based Systems (KB3063843)MSWU-1430Unrated
427Update for Windows 8.1 for x64-based Systems (KB3053863)MSWU-1432Unrated
428Update for Windows 8.1 for x64-based Systems (KB3060793)MSWU-1436Unrated
429Update for Windows 8.1 for x64-based Systems (KB3054256)MSWU-1440Unrated
430Update for Windows 8.1 for x64-based Systems (KB3056347)MSWU-1441Unrated
431Update for Windows 8.1 for x64-based Systems (KB3059316)MSWU-1445Unrated
432Update for Windows 8.1 for x64-based Systems (KB3061493)MSWU-1482Unrated
433Update for Windows 8.1 for x64-based Systems (KB3072019)MSWU-1487Unrated
434Update for Windows 8.1 for x64-based Systems (KB3055343)MSWU-1488Unrated
435Update for Windows 8.1 for x64-based Systems (KB3038936)MSWU-1491Unrated
436Update for Windows 8.1 for x64-based Systems (KB3052480)MSWU-1513Unrated
437Update for Windows 8.1 for x64-based Systems (KB3078676)MSWU-1519Unrated
438Update for Windows 8.1 for x64-based Systems (KB3079318)MSWU-1520Unrated
439Update for Windows 8.1 for x64-based Systems (KB3080149)MSWU-1522Unrated
440Update for Windows 8.1 for x64-based Systems (KB3092627)MSWU-1523Unrated
441Update for Windows 8.1 for x64-based Systems (KB3080042)MSWU-1558Unrated
442Update for Windows 8.1 for x64-based Systems (KB3080800)MSWU-1560Unrated
443Update for Windows 8.1 for x64-based Systems (KB3084905)MSWU-1563Unrated
444Update for Windows 8.1 for x64-based Systems (KB3087041)MSWU-1564Unrated
445Update for Windows 8.1 for x64-based Systems (KB3087137)MSWU-1565Unrated
446Update for Windows 8.1 for x64-based Systems (KB3087390)MSWU-1566Unrated
447Security Update for Windows 8.1 for x64-based Systems (KB3042058)MSWU-1579Critical
448Update for Windows 8.1 for x64-based Systems (KB3034348)MSWU-1615Unrated
449Update for Windows 8.1 for x64-based Systems (KB3091297)MSWU-1619Unrated
450Update for Windows 8.1 for x64-based Systems (KB3095701)MSWU-1623Unrated
451Update for Windows 8.1 for x64-based Systems (KB3096433)MSWU-1624Unrated
452Update for Windows 8.1 for x64-based Systems (KB3078405)MSWU-1646Unrated
453Update for Windows 8.1 for x64-based Systems (KB3099834)MSWU-1649Unrated
454Update for Windows 8.1 for x64-based Systems (KB3100956)MSWU-1651Unrated
455Update for Windows 8.1 for x64-based Systems (KB3102429)MSWU-1653Unrated
456Update for Windows 8.1 for x64-based Systems (KB3103696)MSWU-1654Unrated
457Security Update for Windows 8.1 for x64-based Systems (KB3109853)MSWU-1709Low
458Security Update for Windows 8.1 for x64-based Systems (KB3123479)MSWU-1710Low
459Update for Windows 8.1 for x64-based Systems (KB3135449)MSWU-1738Unrated
460Update for Windows 8.1 for x64-based Systems (KB3132080)MSWU-1761Unrated
461Update for Windows 8.1 for x64-based Systems (KB3103699)MSWU-1778Unrated
462Update for Windows 8.1 for x64-based Systems (KB3106637)MSWU-1779Unrated
463Update for Windows 8.1 for x64-based Systems (KB3118401)MSWU-1780Unrated
464Update for Windows 8.1 for x64-based Systems (KB3121255)MSWU-1781Unrated
465Update for Windows 8.1 for x64-based Systems (KB3121260)MSWU-1782Unrated
466Update for Windows 8.1 for x64-based Systems (KB3121261)MSWU-1783Unrated
467Update for Windows 8.1 for x64-based Systems (KB3123242)MSWU-1784Unrated
468Update for Windows 8.1 for x64-based Systems (KB3125210)MSWU-1787Unrated
469Update for Windows 8.1 for x64-based Systems (KB3126030)MSWU-1788Unrated
470Update for Windows 8.1 for x64-based Systems (KB3126033)MSWU-1789Unrated
471Update for Windows 8.1 for x64-based Systems (KB3128650)MSWU-1791Unrated
472Update for Windows 8.1 for x64-based Systems (KB3130896)MSWU-1792Unrated
473Update for Windows 8.1 for x64-based Systems (KB3133924)MSWU-1798Unrated
474Update for Windows 8.1 for x64-based Systems (KB3134812)MSWU-1800Unrated
475Update for Windows 8.1 for x64-based Systems (KB3134815)MSWU-1802Unrated
476Update for Windows 8.1 for x64-based Systems (KB3138615)MSWU-1807Unrated
477Update for Windows 8.1 for x64-based Systems (KB3139921)MSWU-1810Unrated
478Update for Windows 8.1 for x64-based Systems (KB3100473)MSWU-1842Unrated
479Update for Windows 8.1 for x64-based Systems (KB3105115)MSWU-1843Unrated
480Update for Windows 8.1 for x64-based Systems (KB3109976)MSWU-1845Unrated
481Update for Windows 8.1 for x64-based Systems (KB3133681)MSWU-1848Unrated
482Update for Windows 8.1 for x64-based Systems (KB3133690)MSWU-1849Unrated
483Update for Windows 8.1 for x64-based Systems (KB3134785)MSWU-1852Unrated
484Update for Windows 8.1 for x64-based Systems (KB3136019)MSWU-1853Unrated
485Update for Windows 8.1 for x64-based Systems (KB3137061)MSWU-1854Unrated
486Update for Windows 8.1 for x64-based Systems (KB3137725)MSWU-1856Unrated
487Update for Windows 8.1 for x64-based Systems (KB3137728)MSWU-1858Unrated
488Update for Windows 8.1 for x64-based Systems (KB3138602)MSWU-1861Unrated
489Update for Windows 8.1 for x64-based Systems (KB3139165)MSWU-1866Unrated
490Update for Windows 8.1 for x64-based Systems (KB3139219)MSWU-1867Unrated
491Update for Windows 8.1 for x64-based Systems (KB3139896)MSWU-1869Unrated
492Update for Windows 8.1 for x64-based Systems (KB3139923)MSWU-1870Unrated
493Update for Windows 8.1 for x64-based Systems (KB3140185)MSWU-1871Unrated
494Update for Windows 8.1 for x64-based Systems (KB3140219)MSWU-1872Unrated
495Update for Windows 8.1 for x64-based Systems (KB3140222)MSWU-1873Unrated
496Update for Windows 8.1 for x64-based Systems (KB3140234)MSWU-1874Unrated
497Update for Windows 8.1 for x64-based Systems (KB3140250)MSWU-1875Unrated
498Update for Windows 8.1 for x64-based Systems (KB3140786)MSWU-1876Unrated
499Update for Windows 8.1 for x64-based Systems (KB3141074)MSWU-1878Unrated
500Update for Windows 8.1 for x64-based Systems (KB3115224)MSWU-1880Unrated
501Update for Windows 8.1 for x64-based Systems (KB3147071)MSWU-1916Unrated
502Update for Windows 8.1 for x64-based Systems (KB3148851)MSWU-1919Unrated
503Security Update for Windows 8.1 for x64-based Systems (KB3151058)MSWU-1950Critical
504Update for Windows 8.1 for x64-based Systems (KB3153731)MSWU-1952Unrated
505Update for Windows 8.1 for x64-based Systems (KB3156418)MSWU-1957Unrated
506Update for Windows 8.1 for x64-based Systems (KB3162835)MSWU-1992Unrated
507Update for Windows 8.1 for x64-based Systems (KB3161606)MSWU-1993Unrated
508Update for Windows 8.1 for x64-based Systems (KB3170735)MSWU-2030Unrated
509Update for Windows 8.1 for x64-based Systems (KB3173424)MSWU-2031Unrated
510Update for Windows 8.1 for x64-based Systems (KB2976978)MSWU-2037Unrated
511Update for Windows 8.1 for x64-based Systems (KB3172614)MSWU-2039Unrated
512Update for Windows 8.1 for x64-based Systems (KB3138378)MSWU-2042Unrated
513Update for Windows 8.1 for x64-based Systems (KB3161102)MSWU-2043Unrated
514Update for Windows 8.1 for x64-based Systems (KB3179574)MSWU-2079Unrated
515Update for Windows 8.1 for x64-based Systems (KB3177723)MSWU-2081Unrated
516Update for Windows 8.1 for x64-based Systems (KB3103709)MSWU-2084Unrated
517Update for Windows 8.1 for x64-based Systems (KB3103616)MSWU-2111Unrated
518Update for Windows 8.1 for x64-based Systems (KB3125424)MSWU-2112Unrated
519Update for Windows 8.1 for x64-based Systems (KB3145384)MSWU-2113Unrated
520Update for Windows 8.1 for x64-based Systems (KB3146604)MSWU-2114Unrated
521Update for Windows 8.1 for x64-based Systems (KB3146751)MSWU-2115Unrated
522Update for Windows 8.1 for x64-based Systems (KB3149157)MSWU-2116Unrated
523Update for Windows 8.1 for x64-based Systems (KB3187022)MSWU-2126Unrated
524Update for Windows 8.1 for x64-based Systems (KB3182203)MSWU-2133Unrated
525Update for Windows 8.1 for x64-based Systems (KB3185279)MSWU-2136Unrated
526Update for Internet Explorer 11 for Windows 8.1 for x64-based Systems (KB3192665)MSWU-2143Unrated
527Update for Windows 8.1 for x64-based Systems (KB2976978)MSWU-2037Unrated
528Security Update for Windows 8.1 for x64-based Systems (KB3174644)MSWU-2119Critical
529October, 2016 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB3192404)MSWU-2165Unrated
530Update for Internet Explorer 11 for Windows 8.1 for x64-based Systems (KB3200006)MSWU-2171Unrated
531Update for Windows 8.1 for x64-based Systems (KB3192321)MSWU-2166Unrated
532Update for Windows 8.1 for x64-based Systems (KB2976978)MSWU-2198Unrated
533November 2016 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB3197875)MSWU-2214Unrated
534Update for Windows 8.1 for x64-based Systems (KB3203884)MSWU-2261Unrated
535Update for Windows 8.1 for x64-based Systems V21 (KB2976978) MSWU-2198Unrated
536Update for Windows 8.1 for x64-based Systems (KB4012864)MSWU-2357Unrated
537Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4012219)MSWU-2355Unrated
538Update for Windows 8.1 for x64-based Systems (KB4016754)MSWU-2367Unrated
539Update for Windows 8.1 for x64-based Systems (KB4015193) MSWU-2402Unrated
540April, 2017 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4015553)MSWU-2404Unrated
5412017-05 Preview of Monthly Quality Rollup Update includes WannaCrypt Fix(MS17-010) and May Month Quality Rollup for Windows 8.1 for x64-based Systems (KB4019217)MSWU-2463Unrated
542Update and 404 Error While Printing a Frame Fix for Internet Explorer 11 for Windows 8.1 for x64-based Systems (KB4032782)MSWU-2507Unrated
5432017-06 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4022720) - Petya ransomware attack (CVE-2017-0199)MSWU-2514Unrated
544Update for Windows 8.1 for x64-based Systems (KB4020322)MSWU-2548Unrated
5452017-07 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4025335)MSWU-2585Unrated
5462017-08 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4034663)MSWU-2599Unrated
5472017-08 Update for Windows 8.1 for x64-based Systems (KB4039871)MSWU-2609Unrated
5482017-09 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4038774)MSWU-2670Unrated
5492017-10 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4041685)MSWU-2700Unrated
550Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4051613)MSWU-2708Unrated
5512017-11 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4050946)MSWU-2761Unrated
552Update for Windows 8.1 for x64-based Systems (KB4049068)MSWU-2763Unrated
5532017-11 Update for Windows 8.1 for x64-based Systems (KB4055038)MSWU-2764Unrated
554Update for Windows 8.1 for x64-based Systems (KB4051956)MSWU-2799Unrated
5552018-01 Update for Windows 8.1 for x64-based Systems (KB4073576)MSWU-2803Unrated
5562018-01 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems - Meltdown and Spectre (KB4057401)MSWU-2804Unrated
557Update to Disable Mitigation against Spectre, Variant 2 (KB4078130)MSWU-2817Unrated
558Update for Windows 8.1 for x64-based Systems (KB4074837)MSWU-2833Unrated
5592018-02 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4075212)MSWU-2843Unrated
560Disable Windows Automatic UpdateMSWU-2853Unrated
5612018-03 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4088882)MSWU-2867Unrated
5622018-04 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4093121)MSWU-2887Unrated
563Update for Windows 8.1 for x64-based Systems (KB4093753)MSWU-2888Unrated
5642018-05 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4103724)MSWU-2917Unrated
565Update for Windows 8.1 for x64-based Systems (KB4130978)MSWU-2921Unrated
5662018-06 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4284863)MSWU-2946Unrated
5672018-07 Update for Windows 8.1 for x64-based Systems (KB4345424)MSWU-2961Unrated
5682018-07 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4338831)MSWU-2971Unrated
569Update for Windows 8.1 for x64-based Systems (KB4339284)MSWU-2973Unrated
5702018-08 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4343891)MSWU-3007Unrated
571Fix Component Store CorruptionMSWU-3025Unrated
5722018-09 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4457133)MSWU-3036Unrated
573Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4462930)MSWU-3044Unrated
574Update for Windows 8.1 for x64-based Systems (KB4462901)MSWU-3047Unrated
5752018-10 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4462921)MSWU-3048Unrated
576Update for Windows 8.1 for x64-based Systems (KB4468323)MSWU-3076Unrated
5772018-11 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4467695)MSWU-3077Unrated
5782019-01 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4480969)MSWU-3117Unrated
579Update for Windows Management Framework 5.1 for Windows 8.1 (KB3191564)MSWU-3156Unrated
5802019-02 Update for Windows 8.1 for x64-based Systems (KB4486459)MSWU-3166Unrated
5812019-02 Update for Windows 8.1 for x64-based Systems (KB4491113)MSWU-3168Unrated
5822019-02 Update for Windows 8.1 for x64-based Systems (KB4490512)MSWU-3170Unrated
5832019-02 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4487016)MSWU-3176Unrated
5842019-03 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4489893)MSWU-3215Unrated
5852019-03 Update for Windows 8.1 for x64-based Systems (KB4490128)MSWU-3234Unrated
586Sophos Antivirus DetectorMSWU-3242Unrated
5872019-04 Update for Windows 8.1 for x64-based Systems (KB4496878)MSWU-3250Unrated
5882019-04 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4493443)MSWU-3245Unrated
5892019-05 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4499182)MSWU-3274Unrated
5902019-05 Update for Windows 8.1 for x64-based Systems (KB4501226)MSWU-3277Unrated
5912019-05 Update for Windows 8.1 for x64-based Systems (KB4505050)MSWU-3282Unrated
5922019-06 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4503283)MSWU-3298Unrated
5932019-06 Update for Windows 8.1 for x64-based Systems (KB4508773)MSWU-3300Unrated
5942019-07 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4507463)MSWU-3306Unrated
5952019-07 Update for Windows 8.1 for x64-based Systems (KB4507704)MSWU-3307Unrated
5962019-07 Update for Internet Explorer 11 for Windows 8.1 for x64-based Systems (KB4510979)MSWU-3308Unrated
5972019-08 Update for Windows 8.1 for x64-based Systems (KB4517298)MSWU-3322Unrated
5982019-08 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4512478)MSWU-3323Unrated
5992019-09 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4516041)MSWU-3332Unrated
6002019-10 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4520012)MSWU-3342Unrated
6012019-10 Update for Windows 8.1 for x64-based Systems (KB4519108)MSWU-3344Unrated
6022019-11 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4525252)MSWU-3350Unrated
6032020-01 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4534324)MSWU-3360Unrated
6042020-02 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4537819)MSWU-3369Unrated
605Disable Check For UpdatesMSWU-2853Unrated
606Enable Windows Automatic UpdateMSWU-2853Unrated
607Enable Check For UpdatesMSWU-2853Unrated
6082020-03 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4541334)MSWU-3377Unrated
6092020-04 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4550958)MSWU-3384Unrated
6102020-06 Update for Windows 8.1 for x64-based Systems (KB4567521)MSWU-3393Unrated
611Update for Removal of Adobe Flash Player for Windows 8.1 for x64-based systems (KB4577586)MSWU-3420Unrated
6122020-11 Update for Windows 8.1 for x64-based Systems (KB4594439)MSWU-3422Unrated
6132021-03 Update for Windows 8.1 for x64-based Systems (KB5001640)MSWU-3436Unrated
6142021-07 Update for Windows 8.1 for x64-based Systems (KB5005391)MSWU-3451Unrated

Disclaimer: This webpage is intended to provide you information about patch announcement for certain specific software products. The information is provided "As Is" without warranty of any kind. The links provided point to pages on the vendors websites. You can get more information by clicking the links to visit the relevant pages on the vendors website.