Patch Repository

Windows 8.1 Enterprise Edition (x64) Patches
S.No Patch Description Bulletin id Severity
1Windows 8.1 Update 1 for x64-based Systems (KB2919355)MS14-018Critical
2Windows 8.1 Update for x64-based Systems (KB2932046)MS14-018Critical
3Windows 8.1 Update for x64-based Systems (KB2934018)MS14-018Critical
4Windows 8.1 Update for x64-based Systems (KB2937592)MS14-018Critical
5Windows 8.1 Update for x64-based Systems (KB2938439)MS14-018Critical
6Security Update for Windows 8.1 for x64-based Systems (KB2928120)MS14-025Important
7Security Update for Windows 8.1 for x64-based Systems (KB2961899) without KB2919355MS14-025Important
8Security Update for Windows 8.1 for x64-based Systems (KB2957189)MS14-031Important
9Security Update for Windows 8.1 for x64-based Systems (KB2978742)MS14-043Critical
10Security Update for Windows 8.1 for x64-based Systems (KB2993651)MS14-045Important
11Security Update for Windows 8.1 for x64-based Systems (KB3010788)MS14-064Important
12Security Update for Windows 8.1 for x64-based Systems (KB3003743)MS14-074Important
13Security Update for Windows 8.1 for x64-based Systems (KB2982998)MS14-076Important
14Security Update for Windows 8.1 for x64-based Systems (KB3020393)MS15-002Critical
15Security Update for Windows 8.1 for x64-based Systems (KB3021674)MS15-003Important
16Security Update for Windows 8.1 for x64-based Systems (KB3019978)MS15-004Important
17Security Update for Windows 8.1 for x64-based Systems (KB3022777)MS15-005Important
18Security Update for Windows 8.1 for x64-based Systems (KB3004365)MS15-006Important
19Security Update for Windows 8.1 for x64-based Systems (KB3000483)MS15-011Critical
20Security Update for Windows 8.1 for x64-based Systems (KB3004361)MS15-014Important
21Security Update for Windows 8.1 for x64-based Systems (KB3030377)MS15-028Important
22Security Update for Windows 8.1 for x64-based Systems (KB3035126)MS15-029Important
23Security Update for Windows 8.1 for x64-based Systems (KB3042553)MS15-034Critical
24Security Update for Windows 8.1 for x64-based Systems (KB3045685)MS15-038Important
25Security Update for Windows 8.1 for x64-based Systems (KB3047234)MS15-042Important
26Security Update for Windows 8.1 for x64-based Systems (KB3055642)MS15-050Important
27Security Update for Windows 8.1 for x64-based Systems (KB3059317)MS15-060Important
28Security Update for Windows 8.1 for x64-based Systems (KB3046339)MS15-068Critical
29Security Update for Windows 8.1 for x64-based Systems (KB3046359)MS15-068Critical
30Security Update for Windows 8.1 for x64-based Systems (KB3061512)MS15-069Important
31Security Update for Windows 8.1 for x64-based Systems (KB3072630)MS15-074Important
32Security Update for Windows 8.1 for x64-based Systems (KB3075220)MS15-082Important
33Security Update for Windows 8.1 for x64-based Systems (KB3076895)MS15-084Important
34Security Update for Windows 8.1 for x64-based Systems (KB3071756)MS15-085Important
35Security Update for Windows 8.1 for x64-based Systems (KB3046017)MS15-088Important
36Security Update for Windows 8.1 for x64-based Systems (KB3076949)MS15-089Important
37Security Update for Windows 8.1 for x64-based Systems (KB3084135)MS15-102Important
38Security Update for Windows 8.1 for x64-based Systems (KB3082089)MS15-102Important
39Security Update for Windows 8.1 for x64-based Systems (KB3086255)MS15-097Critical
40Security Update for Windows 8.1 for x64-based Systems (KB3092601)MS15-119Important
41Security Update for Windows 8.1 for x64-based Systems (KB3102939)MS15-120Important
42Security Update for Windows 8.1 for x64-based Systems (KB3109094)MS15-128Critical
43Security Update for Windows 8.1 for x64-based Systems (KB3108381)MS15-132Important
44Security Update for Windows 8.1 for x64-based Systems (KB3109103)MS15-133Important
45Security Update for Windows 8.1 for x64-based Systems (KB3109560)MS16-007Important
46Security Update for Windows 8.1 for x64-based Systems (KB3110329)MS16-007Important
47Security Update for Windows 8.1 for x64-based Systems (KB3121461)MS16-007Important
48Security Update for Windows 8.1 for x64-based Systems (KB3115858)MS16-013Critical
49Security Update for Windows 8.1 for x64-based Systems (KB3126587)MS16-014Important
50Security Update for Windows 8.1 for x64-based Systems (KB3126434)MS16-014Important
51Security Update for Windows 8.1 for x64-based Systems (KB3126446)MS16-017Important
52Security Update for Windows 8.1 for x64-based Systems (KB3138910)MS16-027Critical
53Security Update for Windows 8.1 for x64-based Systems (KB3138962)MS16-027Critical
54Security Update for Windows 8.1 for x64-based Systems (KB3139914)MS16-032Important
55Security Update for Windows 8.1 for x64-based Systems (KB3139398)MS16-033Important
56Security Update for Windows 8.1 for x64-based Systems (KB3135456)MS16-045Important
57Security Update for Windows 8.1 for x64-based Systems (KB3149090)MS16-047Important
58Security Update for Windows 8.1 for x64-based Systems (KB3146723)MS16-048Important
59Security Update for Windows 8.1 for x64-based Systems (KB3156016)MS16-055Critical
60Security Update for Windows 8.1 for x64-based Systems (KB3156019)MS16-055Critical
61Security Update for Windows 8.1 for x64-based Systems (KB3155178)MS16-056Critical
62Security Update for Windows 8.1 for x64-based Systems (KB3156059)MS16-057Critical
63Security Update for Windows 8.1 for x64-based Systems (KB3153704)MS16-061Important
64Security Update for Windows 8.1 for x64-based Systems (KB3156017)MS16-062Important
65Security Update for Windows 8.1 for x64-based Systems (KB3155784)MS16-067Important
66Security Update for Windows 8.1 for x64-based Systems (KB3150220)MS16-059Important
67Security Update for Windows 8.1 for x64-based Systems (KB3159398)MS16-072Important
68Security Update for Windows 8.1 for x64-based Systems (KB3164035)MS16-074Important
69Security Update for Windows 8.1 for x64-based Systems (KB3161561)MS16-075Important
70Security Update for Windows 8.1 for x64-based Systems (KB3161949)MS16-077Important
71Security Update for Windows 8.1 for x64-based Systems (KB3161958)MS16-082Important
72Security Update for Windows 8.1 for x64-based Systems (KB3170455)MS16-087Critical
73Security Update for Windows 8.1 for x64-based Systems (KB3169704)MS16-092Important
74Security Update for Windows 8.1 for x64-based Systems (KB3172729)MS16-100Important
75Security Update for Windows 8.1 for x64-based Systems (KB3185911)MS16-106Important
76Security Update for Windows 8.1 for x64-based Systems (KB3184471)MS16-110Important
77Security Update for Windows 8.1 for x64-based Systems (KB3187754)MS16-110Important
78Security Update for Windows 8.1 for x64-based Systems (KB3178539)MS16-112Important
79Security Update for Windows 8.1 for x64-based Systems (KB3177186)MS16-114Important
80Security Update for Windows 8.1 for x64-based Systems (KB3184943)MS16-115Important
81Security Update for Windows 8.1 for x64-based Systems (KB3184122)MS16-116Critical
82October, 2016 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB3192392)MS16-123Important
83November, 2016 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB3197873)MS16-130Critical
84December, 2016 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB3205400)MS16-146Critical
85Cumulative Security Update for Internet Explorer 11 for Windows 8.1 for x64-based Systems (KB4012204)MS17-006Critical
86March, 2017 Security Only Quality Update for Windows 8.1 for x64-based Systems - WannaCrypt Ransomware Worm(KB4012213)MS17-010Critical
87Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4014329)MS17-023Critical
88March, 2017 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems - WannaCrypt Ransomware Worm(KB4012216)MS17-006Critical
89Microsoft Windows Malicious Software Removal Tool (KB890830) x64 Mar 14, 2017MSRT-001Moderate
90April, 2017 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4015550)MS17-APR1Critical
91Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4018483)MS17-APR6Critical
92April, 2017 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4015547)MS17-APR7Important
93Microsoft Windows Malicious Software Removal Tool (KB890830) x64 April 11, 2017MSRT-001Moderate
94Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4020821)MS17-MAY5Critical
952017-05 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
96Microsoft Windows Malicious Software Removal Tool (KB890830) x64 May 9, 2017MSRT-001Moderate
972017-05 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4019213)MS17-MAY6Important
98Windows Malicious Software Removal Tool x64 - May 2017 (KB890830)MSRT-001Moderate
992017-06 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4022726)MS17-JUN2Critical
1002017-06 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4022717)MS17-JUN2Critical
1012017-06 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4022730)MS17-JUN4Critical
102Windows Malicious Software Removal Tool x64 - June 2017 (KB890830)MSRT-001Moderate
1032017-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4025336)MS17-JUL2Critical
1042017-07 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4025333)MS17-JUL2Critical
1052017-07 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4025376)MS17-JUL4Critical
106Windows Malicious Software Removal Tool x64 - July 2017 (KB890830)MSRT-001Moderate
1072017-08 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4034681)MS17-AUG1Critical
1082017-08 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4034672)MS17-AUG1Critical
1092017-08 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4034662)MS17-AUG3Critical
110Windows Malicious Software Removal Tool x64 - August 2017 (KB890830)MSRT-001Moderate
1112017-09 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4038792)MS17-SEP1Critical
1122017-09 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4038793)MS17-SEP1Critical
113Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4038806)MS17-SEP3Critical
114Windows Malicious Software Removal Tool x64 - september 2017 (KB890830)MSRT-001Moderate
1152017-10 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4041687)MS17-OCT1Critical
1162017-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4041693)MS17-OCT1Critical
117Windows Malicious Software Removal Tool x64 - October 2017 (KB890830)MSRT-001Moderate
118Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4049179)MS17-OCT7Critical
1192017-11 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4048958)MS17-NOV1Critical
1202017-11 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4048961)MS17-NOV1Critical
121 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4048951)MS17-NOV4Critical
122Windows Malicious Software Removal Tool x64 - November 2017 (KB890830)MSRT-001Moderate
1232017-12 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4054519)MS17-DEC1Critical
1242017-12 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4054522)MS17-DEC1Important
125Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4053577)MS17-DEC5Critical
126Windows Malicious Software Removal Tool x64 - December 2017 (KB890830)MSRT-001Moderate
1272018-01 Security Only Quality Update for Windows 8.1 for x64-based Systems - Meltdown and Spectre (KB4056898)MS18-JAN1Important
1282018-01 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems - Meltdown and Spectre (KB4056895)MS18-JAN1Critical
129Prerequisite Handler for Meltdown and SpectreMS18-JAN5Critical
1302018-01 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4056887)MS18-JAN6Critical
131Windows Malicious Software Removal Tool x64 - January 2018 (KB890830)MSRT-001Moderate
1322018-02 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4074595)MS18-FEB1Critical
1332018-02 Security Only Quality Update for Windows 8.1 for x64-based Systems - Meltdown and SpectreKB4074597)MS18-FEB2Critical
1342018-02 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems - Meltdown and Spectre(KB4074594)MS18-FEB2Critical
135Windows Malicious Software Removal Tool x64 - February 2018 (KB890830)MSRT-001Unrated
136Windows Malicious Software Removal Tool x64 - March 2018 (KB890830)MSRT-001Unrated
137Windows Malicious Software Removal Tool x64 - April 2018 (KB890830)MSRT-001Unrated
138Windows Malicious Software Removal Tool x64 - May 2018 (KB890830)MSRT-001Unrated
139Windows Malicious Software Removal Tool x64 - June 2018 (KB890830)MSRT-001Unrated
140Windows Malicious Software Removal Tool x64 - July 2018 (KB890830)MSRT-001Unrated
141Windows Malicious Software Removal Tool x64 - August 2018 (KB890830)MSRT-001Unrated
142Windows Malicious Software Removal Tool x64 - September 2018 (KB890830)MSRT-001Unrated
143Windows Malicious Software Removal Tool x64 - October 2018 (KB890830)MSRT-001Unrated
144Windows Malicious Software Removal Tool x64 - November 2018 (KB890830)MSRT-001Unrated
145Prerequisite Handler for Meltdown and SpectreMS18-JAN5Critical
1462018-03 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4088785)MS18-MAR1Critical
1472018-03 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4088876)MS18-MAR2Important
1482018-03 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4088879)MS18-MAR2Important
1492018-04 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4093115)MS18-APR2Critical
1502018-04 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4093110)MS18-APR1Critical
1512018-04 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4093114) MS18-APR7Critical
1522018-05 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4103729)MS18-MAY1Critical
153Cumulative Security Update for Internet Explorer 11 for Windows 8.1 for x64-based Systems (KB4103768)MS18-MAY5Critical
1542018-05 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4103715)MS18-MAY2Critical
1552018-05 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4103725)MS18-MAY6Critical
1562018-06 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4287903)MS18-JUN1Critical
1572018-06 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4284878)MS18-JUN2Critical
1582018-06 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4284815)MS18-JUN6Critical
1592018-07 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4338832)MS18-JULY1Critical
1602018-07 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4338824)MS18-JULY2Important
1612018-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4338815)MS18-JULY6Important
1622018-08 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4343902)MS18-AUG1Critical
1632018-08 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4343888)MS18-AUG2Critical
1642018-08 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4343898)MS18-AUG6Critical
1652018-09 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4457146)MS18-SEP1Critical
1662018-09 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4457143)MS18-SEP2Critical
1672018-09 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4457129)MS18-SEP6Critical
1682018-10 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4462941)MS18-OCT2Critical
1692018-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4462926)MS18-OCT6Critical
1702018-11 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4467694)MS18-NOV1Critical
1712018-11 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4467703)MS18-NOV2Critical
1722018-11 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4467697)MS18-NOV6Critical
1732018-11 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4477029)MS18-NOV12Critical
1742018-12 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4471331)MS18-DEC1Critical
1752018-12 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
1762018-12 Security and Quality Rollup for .NET Framework 4.5.2 for Windows 8.1 and Server 2012 R2 for x64 (KB4470622)MS18-DEC8Important
1772018-12 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4471322)MS18-DEC2Critical
1782018-12 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4471320)MS18-DEC6Critical
1792019-01 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4480979)MS19-JAN1Critical
1802019-01 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4480964)MS19-JAN2Important
1812019-01 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4480963)MS19-JAN6Important
1822019-02 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4487038)MS19-FEB1Critical
1832019-02 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4487028)MS19-FEB2Critical
1842019-03 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4489907)MS19-MAR1Critical
1852019-03 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4489883)MS19-MAR2Critical
1862019-03 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4489881)MS19-MAR6Critical
1872019-04 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4493478)MS19-APR1Critical
1882019-04 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4493467)MS19-APR2Critical
1892019-04 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4493446)MS19-APR6Critical
1902019-05 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4497932)MS19-MAY1Critical
1912019-05 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4499165)MS19-MAY2Critical
1922019-05 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4499151)MS19-MAY6Critical
1932019-06 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4503308)MS19-JUN1Critical
1942019-06 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4503290)MS19-JUN2Critical
1952019-06 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4503276)MS19-JUN6Critical
1962019-07 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4507457) (CVE-2019-0880)MS19-JUL2Critical
1972019-07 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4507448) (CVE-2019-0880)MS19-JUL6Critical
1982019-07 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4504418)MS19-JUL12Critical
1992019-08 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4512489)MS19-AUG2Critical
2002019-08 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4512488)MS19-AUG6Critical
2012019-09 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4516064)MS19-SEP2Critical
2022019-09 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4516115)MS19-SEP1Critical
2032019-09 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4516067)MS19-SEP6Critical
2042019-09 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4512938)MS19-SEP12Critical
2052019-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4524156)MS19-OCT14Critical
2062019-10 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4519990)MS19-OCT2Critical
2072019-10 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4520005)MS19-OCT6Critical
2082019-10 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4521864)MS19-OCT15Critical
2092019-11 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4525243)MS19-NOV6Critical
2102019-11 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4525250)MS19-NOV2Critical
2112019-11 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4524445)MS19-NOV12Critical
2122019-12 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4530730)MS19-DEC2Critical
2132019-12 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4530702)MS19-DEC6Critical
2142020-01 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4534309)MS20-JAN2Critical
2152020-01 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4534297)MS20-JAN6Critical
2162020-02 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4537803)MS20-FEB2Critical
2172020-02 Security Update for Windows 8.1 for x64-based Systems (KB4502496)MS20-FEB8Critical
2182020-03 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4541505)MS20-MAR2Critical
2192020-03 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4540725)MS20-MAR12Critical
220Workaround for Font Parsing Remote Code Execution VulnerabilityMS20-MAR25Critical
221Patch for Undoing the changes of Workaround for Font Parsing Remote Code Execution VulnerabilityMS20-MAR25Critical
2222020-04 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4550970)MS20-APR2Critical
2232020-05 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4556853)MS20-MAY2Critical
2242020-05 Update for Windows 8.1 for x64-based Systems (KB4557900)MS20-MAY13Unrated
2252020-06 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4561673)MS20-JUN2Critical
2262020-06 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems (KB4561666)MS20-JUN6Critical
2272020-06 Servicing Stack Update for Windows 8.1 for x64-based Systems (KB4562253)MS20-JUN12Critical
2282020-06 Security Update for Adobe Flash Player for Windows 8.1 for x64-based Systems (KB4561600)MS20-JUN1Critical

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.