Patch Repository

Windows 8.1 Enterprise Edition Patches
S.No Patch Description Bulletin id Severity
1Windows 8.1 Update 1 for (KB2919355)MS14-018Critical
2Windows 8.1 Update (KB2932046)MS14-018Critical
3Windows 8.1 Update (KB2934018)MS14-018Critical
4Windows 8.1 Update (KB2937592)MS14-018Critical
5Windows 8.1 Update (KB2938439)MS14-018Critical
6Security Update for Windows 8.1 (KB2928120)MS14-025Important
7Security Update for Windows 8.1 (KB2961899) without KB2919355MS14-025Important
8Security Update for Windows 8.1 (KB2957189)MS14-031Important
9Security Update for Windows 8.1 (KB2978742)MS14-043Critical
10Security Update for Windows 8.1 (KB2993651)MS14-045Important
11Security Update for Windows 8.1 (KB3010788)MS14-064Important
12Security Update for Windows 8.1 (KB3003743)MS14-074Important
13Security Update for Windows 8.1 (KB2982998)MS14-076Important
14Security Update for Windows 8.1 (KB3020393)MS15-002Critical
15Security Update for Windows 8.1 (KB3021674)MS15-003Important
16Security Update for Windows 8.1 (KB3019978)MS15-004Important
17Security Update for Windows 8.1 (KB3022777)MS15-005Important
18Security Update for Windows 8.1 (KB3004365)MS15-006Important
19Security Update for Windows 8.1 (KB3000483)MS15-011Critical
20Security Update for Windows 8.1 (KB3004361)MS15-014Important
21Security Update for Windows 8.1 (KB3030377)MS15-028Important
22Security Update for Windows 8.1 (KB3035126)MS15-029Important
23Security Update for Windows 8.1 (KB3042553)MS15-034Critical
24Security Update for Windows 8.1 (KB3045685)MS15-038Important
25Security Update for Windows 8.1 (KB3055642)MS15-050Important
26Security Update for Windows 8.1 (KB3059317)MS15-060Important
27Security Update for Windows 8.1 (KB3061512)MS15-069Important
28Security Update for Windows 8.1 (KB3072630)MS15-074Important
29Security Update for Windows 8.1 (KB3075220)MS15-082Important
30Security Update for Windows 8.1 (KB3076895)MS15-084Important
31Security Update for Windows 8.1 (KB3071756)MS15-085Important
32Security Update for Windows 8.1 (KB3046017)MS15-088Important
33Security Update for Windows 8.1 (KB3076949)MS15-089Important
34Security Update for Windows 8.1 (KB3084135)MS15-102Important
35Security Update for Windows 8.1 (KB3082089)MS15-102Important
36Security Update for Windows 8.1 (KB3086255)MS15-097Critical
37Security Update for Windows 8.1 (KB3092601)MS15-119Important
38Security Update for Windows 8.1 (KB3102939)MS15-120Important
39Security Update for Windows 8.1 (KB3109094)MS15-128Critical
40Security Update for Windows 8.1 (KB3108381)MS15-132Important
41Security Update for Windows 8.1 (KB3109103)MS15-133Important
42Security Update for Windows 8.1 (KB3109560)MS16-007Important
43Security Update for Windows 8.1 (KB3110329)MS16-007Important
44Security Update for Windows 8.1 (KB3121461)MS16-007Important
45Security Update for Windows 8.1 (KB3115858)MS16-013Critical
46Security Update for Windows 8.1 (KB3126587)MS16-014Important
47Security Update for Windows 8.1 (KB3126434)MS16-014Important
48Security Update for Windows 8.1 (KB3126446)MS16-017Important
49Security Update for Windows 8.1 (KB3138910)MS16-027Critical
50Security Update for Windows 8.1 (KB3138962)MS16-027Critical
51Security Update for Windows 8.1 (KB3139914)MS16-032Important
52Security Update for Windows 8.1 (KB3139398)MS16-033Important
53Security Update for Windows 8.1 (KB3149090)MS16-047Important
54Security Update for Windows 8.1 (KB3146723)MS16-048Important
55Security Update for Windows 8.1 (KB3156016)MS16-055Critical
56Security Update for Windows 8.1 (KB3156019)MS16-055Critical
57Security Update for Windows 8.1 (KB3155178)MS16-056Critical
58Security Update for Windows 8.1 (KB3156059)MS16-057Critical
59Security Update for Windows 8.1 (KB3156017)MS16-062Important
60Security Update for Windows 8.1 (KB3155784)MS16-067Important
61Security Update for Windows 8.1 (KB3150220)MS16-059Important
62Security Update for Windows 8.1 (KB3159398)MS16-072Important
63Security Update for Windows 8.1 (KB3164035)MS16-074Important
64Security Update for Windows 8.1 (KB3161561)MS16-075Important
65Security Update for Windows 8.1 (KB3161949)MS16-077Important
66Security Update for Windows 8.1 (KB3161958)MS16-082Important
67Security Update for Windows 8.1 (KB3170455)MS16-087Critical
68Security Update for Windows 8.1 (KB3169704)MS16-092Important
69Security Update for Windows 8.1 (KB3172729)MS16-100Important
70Security Update for Windows 8.1 (KB3185911)MS16-106Important
71Security Update for Windows 8.1 (KB3184471)MS16-110Important
72Security Update for Windows 8.1 (KB3187754)MS16-110Important
73Security Update for Windows 8.1 (KB3178539)MS16-112Important
74Security Update for Windows 8.1 (KB3177186)MS16-114Important
75Security Update for Windows 8.1 (KB3184943)MS16-115Important
76Security Update for Windows 8.1 (KB3184122)MS16-116Critical
77October, 2016 Security Only Quality Update for Windows 8.1 (KB3192392)MS16-123Important
78November, 2016 Security Only Quality Update for Windows 8.1 (KB3197873)MS16-130Critical
79December, 2016 Security Only Quality Update for Windows 8.1 (KB3205400)MS16-146Critical
80Cumulative Security Update for Internet Explorer 11 for Windows 8.1 (KB4012204)MS17-006Critical
81Cumulative Security Update for Internet Explorer 11 for Windows 8.1 for x64-based Systems (KB4012204)MS17-006Critical
82March, 2017 Security Monthly Quality Rollup for Windows 8.1 - WannaCrypt Ransomware Worm(KB4012216)MS17-006Critical
83March, 2017 Security Only Quality Update for Windows 8.1 - WannaCrypt Ransomware Worm(KB4012213)MS17-010Critical
84Security Update for Adobe Flash Player for Windows 8.1 (KB4014329)MS17-023Critical
85Microsoft Windows Malicious Software Removal Tool (KB890830)Mar 14,2017MSRT-001Moderate
86April, 2017 Security Monthly Quality Rollup for Windows 8.1 (KB4015550)MS17-APR1Critical
87Security Update for Adobe Flash Player for Windows 8.1 (KB4018483)MS17-APR6Critical
88April, 2017 Security Only Quality Update for Windows 8.1 (KB4015547)MS17-APR7Important
89Microsoft Windows Malicious Software Removal Tool (KB890830)APRIL 11,2017MSRT-001Moderate
90Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4020821)MS17-MAY5Critical
912017-05 Security Monthly Quality Rollup Update includes WannaCrypt Fix(MS17-010) and May Month Quality Rollup for Windows 8.1 for x86-based Systems (KB4019215)MS17-MAY6Important
922017-05 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4019213)MS17-MAY6Important
93Microsoft Windows Malicious Software Removal Tool (KB890830) May 9,2017MSRT-001Moderate
94Windows Malicious Software Removal Tool - May 2017 (KB890830)MSRT-001Moderate
952017-06 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4022726)MS17-JUN2Critical
962017-06 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4022717)MS17-JUN2Critical
972017-06 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4022730)MS17-JUN4Critical
98Windows Malicious Software Removal Tool - June 2017 (KB890830)MSRT-001Moderate
992017-07 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4025336)MS17-JUL2Critical
1002017-07 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4025333)MS17-JUL2Critical
1012017-07 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4025376)MS17-JUL4Critical
102Windows Malicious Software Removal Tool - July 2017 (KB890830)MSRT-001Moderate
1032017-08 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4034681)MS17-AUG1Critical
1042017-08 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4034672)MS17-AUG1Critical
1052017-08 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4034662)MS17-AUG3Critical
106Windows Malicious Software Removal Tool - August 2017 (KB890830)MSRT-001Moderate
1072017-09 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4038792)MS17-SEP1Critical
1082017-09 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4038793)MS17-SEP1Critical
109Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4038806)MS17-SEP3Critical
110Windows Malicious Software Removal Tool - september 2017 (KB890830)MSRT-001Moderate
1112017-10 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4041687)MS17-OCT1Critical
1122017-10 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4041693)MS17-OCT1Critical
113Windows Malicious Software Removal Tool - October 2017 (KB890830)MSRT-001Moderate
114Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4049179)MS17-OCT7Critical
1152017-11 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4048958)MS17-NOV1Critical
1162017-11 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4048961)MS17-NOV1Critical
1172017-11 Security Only Quality Update for Windows 8.1 for x64-based Systems (KB4048961)MS17-NOV1Critical
118Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4048951)MS17-NOV4Critical
119Windows Malicious Software Removal Tool - November 2017 (KB890830)MSRT-001Moderate
1202017-12 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4054519)MS17-DEC1Critical
1212017-12 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4054522)MS17-DEC1Important
122Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4053577)MS17-DEC5Critical
123Windows Malicious Software Removal Tool - December 2017 (KB890830)MSRT-001Moderate
1242018-01 Security Only Quality Update for Windows 8.1 for x86-based Systems - Meltdown and Spectre (KB4056898)MS18-JAN1Important
1252018-01 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems - Meltdown and Spectre (KB4056895)MS18-JAN1Critical
126Prerequisite Handler for Meltdown and SpectreMS18-JAN5Critical
1272018-01 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4056887)MS18-JAN6Critical
128Windows Malicious Software Removal Tool - january 2018 (KB890830)MSRT-001Moderate
1292018-02 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4074595)MS18-FEB1Critical
1302018-02 Security Only Quality Update for Windows 8.1 for x86-based Systems - Meltdown and Spectre (KB4074597)MS18-FEB2Critical
1312018-02 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems - Meltdown and Spectre(KB4074594)MS18-FEB2Critical
132Windows Malicious Software Removal Tool - February 2018 (KB890830)MSRT-001Unrated
133Windows Malicious Software Removal Tool - March 2018 (KB890830)MSRT-001Unrated
134Windows Malicious Software Removal Tool - April 2018 (KB890830)MSRT-001Unrated
135Windows Malicious Software Removal Tool - May 2018 (KB890830)MSRT-001Unrated
136Windows Malicious Software Removal Tool - June 2018 (KB890830)MSRT-001Unrated
137Windows Malicious Software Removal Tool - July 2018 (KB890830)MSRT-001Unrated
138Windows Malicious Software Removal Tool - August 2018 (KB890830)MSRT-001Unrated
139Windows Malicious Software Removal Tool - September 2018 (KB890830)MSRT-001Unrated
140Windows Malicious Software Removal Tool - october 2018 (KB890830)MSRT-001Unrated
141Windows Malicious Software Removal Tool - November 2018 (KB890830)MSRT-001Unrated
142Windows Malicious Software Removal Tool - December 2018 (KB890830)MSRT-001Unrated
143Prerequisite Handler for Meltdown and SpectreMS18-JAN5Critical
144Prerequisite Handler for Meltdown and SpectreMS18-JAN5Critical
1452018-03 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4088785)MS18-MAR1Critical
1462018-03 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4088876)MS18-MAR2Important
1472018-03 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4088879)MS18-MAR2Important
1482018-04 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4093115)MS18-APR2Critical
1492018-04 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4093110)MS18-APR1Critical
1502018-04 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4093114) MS18-APR7Critical
1512018-05 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4103729)MS18-MAY1Critical
152Cumulative Security Update for Internet Explorer 11 for Windows 8.1 (KB4103768)MS18-MAY5Critical
1532018-05 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4103715)MS18-MAY2Critical
1542018-05 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4103725)MS18-MAY6Critical
1552018-06 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4287903)MS18-JUN1Critical
1562018-06 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4284878)MS18-JUN2Critical
1572018-06 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4284815)MS18-JUN6Critical
1582018-07 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4338832)MS18-JULY1Critical
1592018-07 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4338824)MS18-JULY2Important
1602018-07 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4338815)MS18-JULY6Important
1612018-08 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4343902)MS18-AUG1Critical
1622018-08 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4343888)MS18-AUG2Critical
1632018-08 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4343898)MS18-AUG6Critical
1642018-09 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4457146)MS18-SEP1Critical
1652018-09 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4457143)MS18-SEP2Critical
1662018-09 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4457129)MS18-SEP6Critical
1672018-10 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4462941)MS18-OCT2Critical
1682018-10 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4462926)MS18-OCT6Critical
1692018-11 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4467694)MS18-NOV1Critical
1702018-11 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4467703)MS18-NOV2Critical
1712018-11 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4467697)MS18-NOV6Critical
1722018-11 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4477029)MS18-NOV12Critical
1732018-12 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4471331)MS18-DEC1Critical
1742018-12 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 (KB4470639)MS18-DEC8Important
175KB4471989 - Security and Quality Rollup for .NET Framework 3.5 for Windows 8.1 (KB4470630)MS18-DEC8Important
1762018-12 Security and Quality Rollup for .NET Framework 4.5.2 for Windows 8.1 (KB4470622)MS18-DEC8Important
1772018-12 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4471322)MS18-DEC2Critical
1782018-12 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4471320)MS18-DEC6Critical
179Windows Malicious Software Removal Tool - January 2019 (KB890830)MSRT-001Unrated
1802019-01 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4480979)MS19-JAN1Critical
1812019-01 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4480964)MS19-JAN2Important
1822019-01 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4480963)MS19-JAN6Important
1832019-02 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4487038)MS19-FEB1Critical
1842019-02 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4487028)MS19-FEB2Critical
185Windows Malicious Software Removal Tool - February 2019 (KB890830)MSRT-001Moderate
1862019-03 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4489907)MS19-MAR1Critical
1872019-03 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4489883)MS19-MAR2Critical
1882019-03 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4489881)MS19-MAR6Critical
189Windows Malicious Software Removal Tool - March 2019 (KB890830)MSRT-001Moderate
1902019-04 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4493478)MS19-APR1Critical
1912019-04 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4493467)MS19-APR2Critical
1922019-04 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4493446)MS19-APR6Critical
1932019-05 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4497932)MS19-MAY1Critical
1942019-05 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4499165)MS19-MAY2Critical
1952019-05 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4499151)MS19-MAY6Critical
196Windows Malicious Software Removal Tool - May 2019 (KB890830)MSRT-001Moderate
1972019-06 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4503308)MS19-JUN1Critical
1982019-06 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4503290)MS19-JUN2Critical
1992019-06 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4503276)MS19-JUN6Critical
200Windows Malicious Software Removal Tool - June 2019 (KB890830)MSRT-001Moderate
201Windows Malicious Software Removal Tool x64 - June 2019 (KB890830)MSRT-001Moderate
2022019-07 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4507457) (CVE-2019-0880)MS19-JUL2Critical
2032019-07 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4507448) (CVE-2019-0880)MS19-JUL6Critical
2042019-07 Servicing Stack Update for Windows 8.1 for x86-based Systems (KB4504418)MS19-JUL12Critical
205Windows Malicious Software Removal Tool - July 2019 (KB890830)MSRT-001Moderate
206Windows Malicious Software Removal Tool x64 - July 2019 (KB890830)MSRT-001Moderate
2072019-08 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4512489)MS19-AUG2Critical
2082019-08 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4512488)MS19-AUG6Critical
209Windows Malicious Software Removal Tool - August 2019 (KB890830)MSRT-001Moderate
210Windows Malicious Software Removal Tool x64 - August 2019 (KB890830)MSRT-001Moderate
2112019-09 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4516064)MS19-SEP2Critical
2122019-09 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4516115)MS19-SEP1Critical
2132019-09 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4516067)MS19-SEP6Critical
2142019-09 Servicing Stack Update for Windows 8.1 for x86-based Systems (KB4512938)MS19-SEP12Critical
2152019-10 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4524156)MS19-OCT14Critical
2162019-10 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4519990)MS19-OCT2Critical
2172019-10 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4520005)MS19-OCT6Critical
2182019-10 Servicing Stack Update for Windows 8.1 for x86-based Systems (KB4521864)MS19-OCT15Critical
219Windows Malicious Software Removal Tool - October 2019 (KB890830)MSRT-001Moderate
220Windows Malicious Software Removal Tool x64 - October 2019 (KB890830)MSRT-001Moderate
2212019-11 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4525243)MS19-NOV6Critical
2222019-11 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4525250)MS19-NOV2Critical
223Windows Malicious Software Removal Tool x64 - November 2019 (KB890830)MSRT-001Moderate
224Windows Malicious Software Removal Tool - November 2019 (KB890830)MSRT-001Moderate
2252019-11 Servicing Stack Update for Windows 8.1 for x86-based Systems (KB4524445)MS19-NOV12Critical
2262019-12 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4530730)MS19-DEC2Critical
2272019-12 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4530702)MS19-DEC6Critical
228Windows Malicious Software Removal Tool x64 - December 2019 (KB890830)MSRT-001Moderate
229Windows Malicious Software Removal Tool - December 2019 (KB890830)MSRT-001Moderate
230Windows Malicious Software Removal Tool x64 - January 2020 (KB890830)MSRT-001Moderate
2312020-01 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4534309)MS20-JAN2Critical
2322020-01 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4534297)MS20-JAN6Critical
2332020-02 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4537759)MS20-FEB1Critical
2342020-02 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4537821)MS20-FEB6Critical
2352020-02 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4537803)MS20-FEB2Critical
2362020-02 Security Update for Windows 8.1 for x86-based Systems (KB4502496)MS20-FEB8Critical
237Windows Malicious Software Removal Tool x64 - February 2020 (KB890830)MSRT-001Moderate
238Windows Malicious Software Removal Tool x64 - March 2020 (KB890830)MSRT-001Moderate
2392020-03 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4541505)MS20-MAR2Critical
240Workaround for Font Parsing Remote Code Execution VulnerabilityMS20-MAR25Critical
241Patch for Undoing the changes of Workaround for Font Parsing Remote Code Execution VulnerabilityMS20-MAR25Critical
2422020-04 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4550970)MS20-APR2Critical
2432020-05 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4556853)MS20-MAY2Critical
2442020-05 Update for Windows 8.1 for x86-based Systems (KB4557900)MS20-MAY13Low
245Windows Malicious Software Removal Tool x64 - May 2020 (KB890830)MSRT-001Moderate
2462020-06 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4561673)MS20-JUN2Critical
2472020-06 Security Update for Adobe Flash Player for Windows 8.1 for x86-based Systems (KB4561600)MS20-JUN1Critical
2482020-07 Security Only Quality Update for Windows 8.1 for x86-based Systems (KB4565540,KB4569509) (CVE-2020-1350)MS20-JUL2Critical
2492020-07 Security Monthly Quality Rollup for Windows 8.1 for x86-based Systems (KB4565541,KB4569509) (CVE-2020-1350)MS20-JUL6Critical
2502020-07 Servicing Stack Update for Windows 8.1 for x86-based Systems (KB4566425)MS20-JUL12Critical

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.