Patch Tuesday Updates: October 2026

Patch Tuesday Updates: October 2026

Good day, everyone!

Here's a list of the updates released in this month's Patch Tuesday.

New OS Security Updates:
  • 45676 - 2026-10 Servicing Stack Update for Windows 10 Version 1607 for x64-based Systems (KB5126649)
  • 45677 - 2026-10 Servicing Stack Update for Windows Server 2016 for x64-based Systems (KB5126649)
  • 45678 - 2026-10 Servicing Stack Update for Windows 10 Version 1607 for x86-based Systems (KB5126649)
  • 45679 - 2026-10 Servicing Stack Update for Windows Server 2012 for x64-based Systems (KB5127357) (ESU)
  • 45680 - 2026-10 Servicing Stack Update for Windows Server 2012 R2 for x64-based Systems (KB5127356) (ESU)
  • 45681 - 2026-10 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5126868) (CVE-2026-108398) (CVE-2026-96951)
  • 45682 - 2026-10 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5126868) (CVE-2026-108398) (CVE-2026-96951)
  • 45683 - 2026-10 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5126868) (CVE-2026-108398) (CVE-2026-96951)
  • 45684 - 2026-10 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5126651) (CVE-2026-96951)
  • 45685 - 2026-10 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5126651) (CVE-2026-96951)
  • 45686 - 2026-10 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5126651) (CVE-2026-96951)
  • 45687 - 2026-10 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5126657)
  • 45688 - 2026-10 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5126657)
  • 45689 - 2026-10 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5126657) (ESU)
  • 45690 - 2026-10 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5126657) (ESU)
  • 45691 - 2026-10 Cumulative Update for Windows 11, version 23H2 for arm64-based Systems (KB5126653) (CVE-2026-96951)
  • 45692 - 2026-10 Cumulative Update for Windows 11, version 23H2 for x64-based Systems (KB5126653) (CVE-2026-96951)
  • 45693 - 2026-10 Cumulative Update for Windows 11, version 24H2 for arm64-based Systems (KB5127648) (26100.9711) (CVE-2026-96951)
  • 45694 - 2026-10 Cumulative Update for Windows 11, version 24H2 for x64-based Systems (KB5127648) (26100.9711) (CVE-2026-96951)
  • 45695 - 2026-10 Cumulative Update for Windows 11, version 25H2 for arm64-based Systems (KB5127648) (26200.9711) (CVE-2026-96951)
  • 45696 - 2026-10 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5127648) (26200.9711) (CVE-2026-96951)
  • 45697 - 2026-10 Cumulative Update for Windows 11, version 26H1 for arm64-based Systems (KB5127646) (28000.3231) (CVE-2026-96951)
  • 45698 - 2026-10 Cumulative Update for Windows 11, version 26H1 for x64-based Systems (KB5127646) (28000.3231) (CVE-2026-96951)
  • 45699 - 2026-10 Cumulative Update for Windows 11, version 26H2 for arm64-based Systems (KB5127648) (26300.9711) (CVE-2026-96951)
  • 45700 - 2026-10 Cumulative Update for Windows 11, version 26H2 for x64-based Systems (KB5127648) (26300.9711) (CVE-2026-96951)
  • 45701 - 2026-10 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5126655) (CVE-2026-96951)
  • 45703 - 2026-10 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5126646) (26100.33650) (CVE-2026-96951)
  • 45704 - 2026-10 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 for x64 (KB5127684) (CVE-2026-108398)
  • 45705 - 2026-10 Cumulative Update for .NET Framework 4.8 for Windows Server 2016 for x64 (KB5127684) (CVE-2026-108398)
  • 45706 - 2026-10 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 (KB5127684) (CVE-2026-108398)
  • 45707 - KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for x64 (KB5127666) (CVE-2026-108398)
  • 45708 - KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 for x64 (KB5127666) (CVE-2026-108398)
  • 45709 - KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 (KB5127666) (CVE-2026-108398)
  • 45710 - KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 for x64 (KB5127685) (CVE-2026-108398)
  • 45711 - KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2019 for x64 (KB5127685) (CVE-2026-108398)
  • 45712 - KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 (KB5127685) (CVE-2026-108398)
  • 45713 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for x64 (KB5127683)
  • 45714 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 (KB5127683)
  • 45715 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5127689)
  • 45716 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 (KB5127689)
  • 45717 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for x64 (KB5127683) (ESU)
  • 45718 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 (KB5127683) (ESU)
  • 45719 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5127689) (ESU)
  • 45720 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 22H2 (KB5127689) (ESU)
  • 45721 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for arm64 (KB5127692) (CVE-2026-108398)
  • 45722 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5127692) (CVE-2026-108398)
  • 45723 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for arm64 (KB5127690) (CVE-2026-108398)
  • 45724 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5127690) (CVE-2026-108398)
  • 45725 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 (KB5127690) (CVE-2026-108398)
  • 45726 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 (KB5127690) (CVE-2026-108398)
  • 45727 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for arm64 (KB5127691) (CVE-2026-108398)
  • 45728 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for x64 (KB5127691) (CVE-2026-108398)
  • 45729 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H2 for arm64 (KB5127694) (CVE-2026-108398)
  • 45730 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H2 for x64 (KB5127694) (CVE-2026-108398)
  • 45731 - KB5128928, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5127687) (CVE-2026-108398)
  • 45732 - KB5128928, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5127693) (CVE-2026-108398)
  • 45733 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for arm64 (KB5127690) (CVE-2026-108398)
  • 45734 - 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5127690) (CVE-2026-108398)
  • 45735 - 2026-10 Security Monthly Quality Rollup for Windows Server 2012 for x64-based Systems (KB5126835) (ESU)
  • 45736 - 2026-10 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5126836) (ESU) (CVE-2026-96951)
  • 45737 - KB5128926, 2026-10 Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 for x64 (KB5127660) (ESU)
  • 45738 - KB5128926, 2026-10 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 for x64 (KB5127667) (ESU) (CVE-2026-108398)
  • 45739 - KB5128926, 2026-10 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 for x64 (KB5127686) (ESU) (CVE-2026-108398)
  • 45740 - KB5128927, 2026-10 Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 for x64 (KB5127664) (ESU)
  • 45741 - KB5128927, 2026-10 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 R2 for x64 (KB5127668) (ESU) (CVE-2026-108398)
  • 45742 - KB5128927, 2026-10 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 for x64 (KB5127688) (ESU) (CVE-2026-108398)
  • 45743 - 2026-10 Cumulative Security Update for Internet Explorer 11 for Windows Server 2012 for x64-based systems (KB5126773) (ESU)
  • 45744 - 2026-10 Cumulative Security Update for Internet Explorer 11 for Windows Server 2012 R2 for x64-based systems (KB5126773) (ESU)
  • 45745 - Windows Malicious Software Removal Tool x64 - Oct 2026 (KB890830)
  • 45746 - Windows Malicious Software Removal Tool - Oct 2026 (KB890830)
  • 45747 - Update for .NET Hosting (8.0.32) (KB5130034)
  • 45748 - Update for AspNet Core (x64) (8.0.32) (KB5130034)
  • 45749 - Update for AspNet Core (x86) (8.0.32) (KB5130034)
  • 45750 - Update for .NET Desktop Runtime (x64) (8.0.32) (KB5130034)
  • 45751 - Update for .NET Desktop Runtime (x86) (8.0.32) (KB5130034)
  • 45752 - Update for .NET Runtime (x64) (8.0.32) (KB5130034)
  • 45753 - Update for .NET Runtime (x86) (8.0.32) (KB5130034)
  • 45754 - Update for .NET SDK (x64) (8.0.426) (KB5130034)
  • 45755 - Update for .NET SDK (x86) (8.0.132) (KB5130034)
  • 45756 - Update for .NET SDK (x86) (8.0.426) (KB5130034)
  • 45757 - Update for .NET SDK (x64) (8.0.132) (KB5130034)
  • 45758 - Update for .NET Hosting (9.0.21) (KB5130035)
  • 45759 - Update for AspNet Core (x64) (9.0.21) (KB5130035)
  • 45760 - Update for AspNet Core (x86) (9.0.21) (KB5130035)
  • 45761 - Update for .NET Desktop Runtime (x64) (9.0.21) (KB5130035)
  • 45762 - Update for .NET Desktop Runtime (x86) (9.0.21) (KB5130035)
  • 45763 - Update for .NET Runtime (x64) (9.0.21) (KB5130035)
  • 45764 - Update for .NET Runtime (x86) (9.0.21) (KB5130035)
  • 45765 - Update for .NET SDK (x86) (9.0.122) (KB5130035)
  • 45766 - Update for .NET SDK (x86) (9.0.319) (KB5130035)
  • 45767 - Update for .NET SDK (x64) (9.0.122) (KB5130035)
  • 45768 - Update for .NET SDK (x64) (9.0.319) (KB5130035)
  • 45769 - Update for .NET Hosting (10.0.13) (KB5130036)
  • 45770 - Update for AspNet Core (x64) (10.0.13) (KB5130036)
  • 45771 - Update for AspNet Core (x86) (10.0.13) (KB5130036)
  • 45772 - Update for .NET Desktop Runtime (x64) (10.0.13) (KB5130036)
  • 45773 - Update for .NET Desktop Runtime (x86) (10.0.13) (KB5130036)
  • 45774 - Update for .NET Runtime (x64) (10.0.13) (KB5130036)
  • 45775 - Update for .NET Runtime (x86) (10.0.13) (KB5130036)
  • 45776 - Update for .NET SDK (x64) (10.0.113) (KB5130036)
  • 45777 - Update for .NET SDK (x86) (10.0.402) (KB5130036)
  • 45778 - Update for .NET SDK (x64) (10.0.402) (KB5130036)
  • 45779 - Update for .NET SDK (x86) (10.0.113) (KB5130036)
Security Updates:
  1. 45780 - Security Update for Microsoft Excel 2016 (KB5002934) 64-Bit Edition
  2. 45781 - Security Update for Microsoft Excel 2016 (KB5002934) 32-Bit Edition
  3. 45782 - Security Update for Microsoft Office Online Server (KB5002928)
  4. 45783 - Security Update for Microsoft SharePoint Server Subscription Edition (KB5002927)
  5. 45785 - Update for Microsoft 365 Apps for Business Current Channel for x64 2609 of version(20430.20182)
  6. 45787 - Update for Microsoft 365 Apps for Business Current Channel for x86 2609 of version(20430.20182)
  7. 45789 - Update for Microsoft 365 Apps for Enterprise Current Channel for x64 2609 of version(20430.20182)
  8. 45791 - Update for Microsoft 365 Apps for Enterprise Current Channel for x86 2609 of version(20430.20182)
  9. 45793 - Update for Microsoft 365 Apps for Monthly Enterprise Channel for x64 2609 of version(20430.20180)
  10. 45795 - Update for Microsoft 365 Apps for Monthly Enterprise Channel for x86 version 2609 (20430.20180)
  11. 45797 - Update for Microsoft 365 Apps for Business Monthly Enterprise Channel for x64 2609 of version(20430.20180)
  12. 45799 - Update for Microsoft 365 Apps for Business Monthly Enterprise Channel for x86 version 2609 (20430.20180)
  13. 45801 - Update for Microsoft 365 Apps for Business Semi Annual Channel for x64 2608 of version(20326.20230)
  14. 45803 - Update for Microsoft 365 Apps for Business Semi Annual Channel for x86 2608 of version(20326.20230)
  15. 45805 - Update for Microsoft 365 Apps for Enterprise Semi Annual Channel for x64 2608 of version(20326.20230)
  16. 45807 - Update for Microsoft 365 Apps for Enterprise Semi Annual Channel for x86 2608 of version(20326.20230)
  17. 45809 - Update for Office 2019 for x64 1808 of volume version(10417.20228)
  18. 45811 - Update for Office 2019 for x86 1808 of volume version(10417.20228)
  19. 45813 - Update for Office 2021 for x64 2108 of volume version(14334.20974)
  20. 45815 - Update for Office 2021 for x86 2108 of volume version(14334.20974)
  21. 45817 - Update for Office 2021 for x64 2609 of Retail Version(20430.20182)
  22. 45819 - Update for Office 2021 for x86 2609 of Retail Version(20430.20182)
  23. 45821 - Update for Office 2024 for x64 2408 of volume version(17932.21056)
  24. 45823 - Update for Office 2024 for x86 2408 of volume version(17932.21056)
  25. 45825 - Update for Office 2024 for x86 2609 of Retail Version(20430.20182)
  26. 45827 - Update for Office 2024 for x64 2609 of Retail Version(20430.20182)
  27. 45828 - Update for Microsoft Visual Studio Professional 2022 (17.14.42) (Online Installer)
  28. 45829 - Update for Microsoft Visual Studio Community 2022 (17.14.42) (Online Installer)
  29. 45830 - Update for Microsoft Visual Studio Enterprise 2022 (17.14.42) (Online Installer)
  30. 45831 - Update for Microsoft Visual Studio Professional 2026 (18.10.4) (Online Installer)
  31. 45832 - Update for Microsoft Visual Studio Enterprise 2026 (18.10.4) (Online Installer)
  32. 45833 - Update for Microsoft Visual Studio Community 2026 (18.10.4) (Online Installer)
  33. 45834 - Security Update for SQL Server 2025 RTM (KB5128492)
  34. 45835 - Security Update for SQL Server 2025 RTM CU (KB5126967)
  35. 45836 - Security Update for SQL Server 2022 RTM (KB5128493)
  36. 45837 - Security Update for SQL Server 2022 RTM CU (KB5126934)
  37. 45838 - Security Update for SQL Server 2019 RTM (KB5128495)
  38. 45839 - Security Update for SQL Server 2019 RTM CU (KB5128494)
  39. 45840 - Security Update for SQL Server 2017 RTM (KB5128497)
  40. 45841 - Security Update for SQL Server 2017 RTM CU (KB5128496)
  41. 45842 - Security Update for Exchange Server SE RTM SU11 (KB5128895)
  42. 45843 - Microsoft Visual Studio Code (User Based) (x64) (1.141.1)
Non - Security Updates:
  1. 114045 - Update for Microsoft Visual Studio Professional 2026 (18.11.0) (Online Installer)
  2. 114046 - Update for Microsoft Visual Studio Enterprise 2026 (18.11.0) (Online Installer)
  3. 114047 - Update for Microsoft Visual Studio Community 2026 (18.11.0) (Online Installer)
Third-party Updates:
  1. 365245 - Google Chrome (155.0.8059.79,155.0.8059.80)
  2. 365246 - Google Chrome (x64) (155.0.8059.79,155.0.8059.80)
MAC Updates:
  1. 616974 - Mozilla Firefox 158.0
  2. 616975 - Mozilla Thunderbird 158.0
  3. 616976 - Google Chrome 155.0.8059.79,155.0.8059.80
  4. 616977 - Evernote 11.38.5
  5. 616978 - Mozilla Firefox ESR 153.5.0
  6. 616979 - Dropbox 275.4.3565 (Apple Silicon)
  7. 616980 - Dropbox 275.4.3565 (Intel)
  8. 616981 - Element 1.12.31
  9. 616982 - MongoDB Compass 1.53.0 (Intel)
  10. 616983 - MongoDB Compass 1.53.0 (Apple Silicon)
  11. 616984 - Front 3.80.0
  12. 616985 - Arcade 3.5.20
  13. 616986 - Cursor 3.24.18
  14. 616987 - Claude 2.37337.1
  15. 616988 - ChatGPT 26.1007.71326 (Unified) (Intel)
  16. 616989 - ChatGPT 26.1007.71326 (Unified) (Apple Silicon)
  17. 616990 - Visual Studio Code 1.141.1
Supported Zero-day CVE: 2

CVE-2026-108398 - .NET Framework Security Feature Bypass Vulnerability

patchidbulletiniddescription
45681MS26-OCT32026-10 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5126868) (CVE-2026-108398) (CVE-2026-96951)
45682MS26-OCT32026-10 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5126868) (CVE-2026-108398) (CVE-2026-96951)
45683MS26-OCT32026-10 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5126868) (CVE-2026-108398) (CVE-2026-96951)
45704MS26-OCT122026-10 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 for x64 (KB5127684) (CVE-2026-108398)
45705MS26-OCT122026-10 Cumulative Update for .NET Framework 4.8 for Windows Server 2016 for x64 (KB5127684) (CVE-2026-108398)
45706MS26-OCT122026-10 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1607 (KB5127684) (CVE-2026-108398)
45707MS26-OCT12KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 for x64 (KB5127666) (CVE-2026-108398)
45708MS26-OCT12KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 for x64 (KB5127666) (CVE-2026-108398)
45709MS26-OCT12KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 (KB5127666) (CVE-2026-108398)
45710MS26-OCT12KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 for x64 (KB5127685) (CVE-2026-108398)
45711MS26-OCT12KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2019 for x64 (KB5127685) (CVE-2026-108398)
45712MS26-OCT12KB5128923, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 (KB5127685) (CVE-2026-108398)
45721MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for arm64 (KB5127692) (CVE-2026-108398)
45722MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5127692) (CVE-2026-108398)
45723MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for arm64 (KB5127690) (CVE-2026-108398)
45724MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5127690) (CVE-2026-108398)
45725MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 (KB5127690) (CVE-2026-108398)
45726MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 (KB5127690) (CVE-2026-108398)
45727MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for arm64 (KB5127691) (CVE-2026-108398)
45728MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for x64 (KB5127691) (CVE-2026-108398)
45729MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H2 for arm64 (KB5127694) (CVE-2026-108398)
45730MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H2 for x64 (KB5127694) (CVE-2026-108398)
45731MS26-OCT12KB5128928, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8 for Microsoft server operating system version 21H2 for x64 (KB5127687) (CVE-2026-108398)
45732MS26-OCT12KB5128928, 2026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5127693) (CVE-2026-108398)
45733MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for arm64 (KB5127690) (CVE-2026-108398)
45734MS26-OCT122026-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system version 24H2 for x64 (KB5127690) (CVE-2026-108398)
45738MS26-OCT13KB5128926, 2026-10 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 for x64 (KB5127667) (ESU) (CVE-2026-108398)
45739MS26-OCT13KB5128926, 2026-10 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 for x64 (KB5127686) (ESU) (CVE-2026-108398)
45741MS26-OCT13KB5128927, 2026-10 Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 R2 for x64 (KB5127668) (ESU) (CVE-2026-108398)
45742MS26-OCT13KB5128927, 2026-10 Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 for x64 (KB5127688) (ESU) (CVE-2026-108398)

CVE-2026-96951 - Windows Shell Security Feature Bypass Vulnerability

patchidbulletiniddescription
45681MS26-OCT32026-10 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5126868) (CVE-2026-108398) (CVE-2026-96951)
45682MS26-OCT32026-10 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5126868) (CVE-2026-108398) (CVE-2026-96951)
45683MS26-OCT32026-10 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5126868) (CVE-2026-108398) (CVE-2026-96951)
45684MS26-OCT32026-10 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5126651) (CVE-2026-96951)
45685MS26-OCT32026-10 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5126651) (CVE-2026-96951)
45686MS26-OCT32026-10 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5126651) (CVE-2026-96951)
45691MS26-OCT32026-10 Cumulative Update for Windows 11, version 23H2 for arm64-based Systems (KB5126653) (CVE-2026-96951)
45692MS26-OCT32026-10 Cumulative Update for Windows 11, version 23H2 for x64-based Systems (KB5126653) (CVE-2026-96951)
45693MS26-OCT32026-10 Cumulative Update for Windows 11, version 24H2 for arm64-based Systems (KB5127648) (26100.9711) (CVE-2026-96951)
45694MS26-OCT32026-10 Cumulative Update for Windows 11, version 24H2 for x64-based Systems (KB5127648) (26100.9711) (CVE-2026-96951)
45695MS26-OCT32026-10 Cumulative Update for Windows 11, version 25H2 for arm64-based Systems (KB5127648) (26200.9711) (CVE-2026-96951)
45696MS26-OCT32026-10 Cumulative Update for Windows 11, version 25H2 for x64-based Systems (KB5127648) (26200.9711) (CVE-2026-96951)
45697MS26-OCT32026-10 Cumulative Update for Windows 11, version 26H1 for arm64-based Systems (KB5127646) (28000.3231) (CVE-2026-96951)
45698MS26-OCT32026-10 Cumulative Update for Windows 11, version 26H1 for x64-based Systems (KB5127646) (28000.3231) (CVE-2026-96951)
45699MS26-OCT32026-10 Cumulative Update for Windows 11, version 26H2 for arm64-based Systems (KB5127648) (26300.9711) (CVE-2026-96951)
45700MS26-OCT32026-10 Cumulative Update for Windows 11, version 26H2 for x64-based Systems (KB5127648) (26300.9711) (CVE-2026-96951)
45701MS26-OCT32026-10 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5126655) (CVE-2026-96951)
45703MS26-OCT32026-10 Cumulative Update for Microsoft server operating system version 24H2 for x64-based Systems (KB5126646) (26100.33650) (CVE-2026-96951)
45736MS26-OCT62026-10 Security Monthly Quality Rollup for Windows Server 2012 R2 for x64-based Systems (KB5126836) (ESU) (CVE-2026-96951)

Cheers,
The ManageEngine Team