Name: Microsoft Windows 11 25H2
Brand: Microsoft

KB5127936 for Windows 11 version 25H2, OS Build 26200.9818, delivers new File Explorer, recovery, accessibility, networking, and gaming features, plus fixes for Remote Desktop, VPN, audio, Sandbox, BitLocker, and WSL.

Security update Microsoft Windows 11 25H2

Oct 28, 2026

OS Build 26200.9818

Security update Microsoft Windows 11 25H2

Oct 28, 2026

OS Build 26200.9818

KB5134133 is a non-security out-of-band update for Windows 11 25H2 that adds an updated trusted root certificate payload for devices unable to receive automatic certificate trust list updates.

Security update Microsoft Windows 11 25H2

Oct 26, 2026

OS Build 26200.9725

Security update Microsoft Windows 11 25H2

Oct 26, 2026

OS Build 26200.9725

KB5127648 updates Windows 11 version 25H2 to OS build 26200.9711 with security hardening, Secure Boot certificate deployment, reliability fixes, a new Manitoba time zone, and updated AI components.

Security update Microsoft Windows 11 25H2

Oct 13, 2026

OS Build 26200.9711

Security update Microsoft Windows 11 25H2

Oct 13, 2026

OS Build 26200.9711

KB5124010 for Windows 11 version 25H2 and 24H2 delivers quality improvements, new features, and fixes. It also includes SSU KB5124009 and notes known issues affecting domain-joined devices and USB Audio Class 1.0 devices. Reference IDs: KB5124008.

Security update Microsoft Windows 11 25H2

Sep 22, 2026

OS Builds 26200.9550 and 26100.9550

Security update Microsoft Windows 11 25H2

Sep 22, 2026

OS Builds 26200.9550 and 26100.9550

KB5129195 is an out-of-band cumulative update for Windows 11 version 25H2. It adds protection for CVE-2026-62721 and fixes Remote Desktop Services, Hyper-V Plan9 folder sharing, and USB multichannel audio issues. Reference IDs: KB5124007.

Security update Microsoft Windows 11 25H2

Sep 14, 2026

OS Builds 26200.9457 and 26100.9457

Security update Microsoft Windows 11 25H2

Sep 14, 2026

OS Builds 26200.9457 and 26100.9457

KB5124008 updates Windows 11 25H2 with security improvements, Secure Boot certificate deployment, and quality fixes for mouse, personalization, Teams and Outlook on Arm64, Remote Desktop audio redirection, and OMA-DM logging. Reference IDs: KB5120998, KB5124007.

Security update Microsoft Windows 11 25H2

Sep 8, 2026

OS Builds 26200.9445 and 26100.9445

Security update Microsoft Windows 11 25H2

Sep 8, 2026

OS Builds 26200.9445 and 26100.9445

KB5120998 for Windows 11 version 25H2 introduces taskbar, Start, Search, File Explorer, Windows Update, and setup improvements. It also begins rolling out Administrator protection, adds support for app update coordination with Windows Update, and includes SSU KB5120997.

Security update Microsoft Windows 11 25H2

Aug 27, 2026

OS Builds 26200.9278 and 26100.9278

Security update Microsoft Windows 11 25H2

Aug 27, 2026

OS Builds 26200.9278 and 26100.9278

KB5121003 updates Windows 11 25H2 with security improvements and expanded Secure Boot certificate deployment coverage. It also includes servicing stack update KB5123304 and AI component updates. Reference IDs: KB5101684, KB5121767, KB5101650.

Security update Microsoft Windows 11 25H2

Aug 11, 2026

OS Builds 26200.9168 and 26100.9168

Security update Microsoft Windows 11 25H2

Aug 11, 2026

OS Builds 26200.9168 and 26100.9168

KB5101684 for Windows 11 25H2/24H2 delivers non-security quality improvements, new features, and reliability fixes. It also improves Secure Boot certificate targeting and includes SSU KB5101711 (Build 26100.8962). Reference IDs: KB5101650, KB5074105.

Security update Microsoft Windows 11 25H2

Jul 28, 2026

OS Builds 26200.8973 and 26100.8973

Security update Microsoft Windows 11 25H2

Jul 28, 2026

OS Builds 26200.8973 and 26100.8973

KB5121767 is an out-of-band cumulative update for Windows 11 25H2, OS Builds 26200.8894 and 26100.8894. It fixes a performance, power, or behavior issue affecting some devices with Intel IPF drivers and includes SSU KB5120102. Reference IDs: KB5101650.

Microsoft Windows 11 25H2

Jul 18, 2026

OS Builds 26200.8894 and 26100.8894

Microsoft Windows 11 25H2

Jul 18, 2026

OS Builds 26200.8894 and 26100.8894

KB5101650 updates Windows 11 25H2 with security fixes, quality improvements, and non-security changes from prior preview releases. It also adds RDP certificate thumbprint guidance, curl 8.21.0, and servicing stack update KB5120102. Reference IDs: KB5094126, KB5095093.

Security update Microsoft Windows 11 25H2

Jul 14, 2026

OS Builds 26200.8875 and 26100.8875

Security update Microsoft Windows 11 25H2

Jul 14, 2026

OS Builds 26200.8875 and 26100.8875

KB5095093 updates Windows 11 25H2 and 24H2 with production-quality improvements, new features, and reliability fixes. It also includes Secure Boot certificate rollout changes, Netlogon authentication improvements, and a known issue affecting some Office launches from third-party apps. Reference IDs: KB5095182, KB5094126, KB5089549.

Security update Microsoft Windows 11 25H2

Jun 23, 2026

OS Builds 26200.8737 and 26100.8737

Security update Microsoft Windows 11 25H2

Jun 23, 2026

OS Builds 26200.8737 and 26100.8737

KB5094126 updates Windows 11 version 25H2 and 24H2 to OS Builds 26200.8655 and 26100.8655. It includes June 2026 security fixes, Secure Boot certificate rollout improvements, and a virtualization fix for stop errors after KB5089573. Reference IDs: KB5089549.

Security update Microsoft Windows 11 25H2

Jun 9, 2026

OS Builds 26200.8655 and 26100.8655

Security update Microsoft Windows 11 25H2

Jun 9, 2026

OS Builds 26200.8655 and 26100.8655

KB5089573 updates Windows 11 version 25H2 and 24H2 with production-quality improvements, new features, and reliability fixes. It also addresses the installation failure error 0x800f0922 and adds Secure Boot certificate rollout controls. Reference IDs: KB5089549, KB5092734.

Security update Microsoft Windows 11 25H2

May 26, 2026

OS Builds 26200.8524 and 26100.8524

Security update Microsoft Windows 11 25H2

May 26, 2026

OS Builds 26200.8524 and 26100.8524

KB5089549 updates Windows 11 version 25H2 and 24H2 to OS Builds 26200.8457 and 26100.8457. It includes May 2026 security fixes, Secure Boot certificate rollout improvements, boot reliability fixes, DST support for Egypt, and a known install issue on low-space EFI partitions. Reference IDs: KB5083769, KB5083631, KB5092762, KB5089573.

Security update Microsoft Windows 11 25H2

May 12, 2026

OS Builds 26200.8457 and 26100.8457

Security update Microsoft Windows 11 25H2

May 12, 2026

OS Builds 26200.8457 and 26100.8457

KB5083631 updates Windows 11 25H2 and 24H2 with production-quality improvements, new features, and fixes. It also includes Secure Boot rollout changes, Remote Desktop and Kerberos fixes, and a known BitLocker recovery-key issue in specific configurations. Reference IDs: KB5088467, KB5089549, CVE-2024-30098.

Security update Microsoft Windows 11 25H2

Apr 30, 2026

OS Builds 26200.8328 and 26100.8328

Security update Microsoft Windows 11 25H2

Apr 30, 2026

OS Builds 26200.8328 and 26100.8328

KB5083769 updates Windows 11 version 25H2 and 24H2 to OS Builds 26200.8246 and 26100.8246 with the latest security fixes, quality improvements, and new Secure Boot and Remote Desktop protections. It also includes the Windows 11 servicing stack update KB5088467.

Security update Microsoft Windows 11 25H2

Apr 14, 2026

OS Builds 26200.8246 and 26100.8246

Security update Microsoft Windows 11 25H2

Apr 14, 2026

OS Builds 26200.8246 and 26100.8246

KB5086672 updates Windows 11 25H2 and 24H2 to OS Builds 26200.8117 and 26100.8117. It includes prior quality improvements and fixes an installation error affecting KB5079391 (0x80073712). Reference IDs: KB5079473, KB5085516, KB5079387.

Microsoft Windows 11 25H2

Mar 31, 2026

OS Builds 26200.8117 and 26100.8117

Microsoft Windows 11 25H2

Mar 31, 2026

OS Builds 26200.8117 and 26100.8117

KB5086672 updates Windows 11 25H2 and 24H2 to OS Builds 26200.8117 and 26100.8117. It fixes a March 2026 preview update installation error (0x80073712) and includes prior quality improvements plus servicing stack updates. Reference IDs: KB5079391, KB5079473, KB5085516, KB5079387.

Microsoft Windows 11 25H2

Mar 31, 2026

OS Builds 26200.8117 and 26100.8117

Microsoft Windows 11 25H2

Mar 31, 2026

OS Builds 26200.8117 and 26100.8117

KB5079391 updates Windows 11 version 25H2 and 24H2 with quality improvements, new features, and fixes. It was later paused for new devices due to an installation issue; KB5086672 addresses that problem and includes these improvements. Reference IDs: KB5079387.

Security update Microsoft Windows 11 25H2

Mar 26, 2026

OS Builds 26200.8116 and 26100.8116

Security update Microsoft Windows 11 25H2

Mar 26, 2026

OS Builds 26200.8116 and 26100.8116

Microsoft Windows 11 25H2 Updates

Updates for Microsoft Windows 11 25H2

KB5127936 for Windows 11 version 25H2, OS Build 26200.9818, delivers new File Explorer, recovery, accessibility, networking, and gaming features, plus fixes for Remote Desktop, VPN, audio, Sandbox, BitLocker, and WSL.

KB5134133 is a non-security out-of-band update for Windows 11 25H2 that adds an updated trusted root certificate payload for devices unable to receive automatic certificate trust list updates.

KB5127648 updates Windows 11 version 25H2 to OS build 26200.9711 with security hardening, Secure Boot certificate deployment, reliability fixes, a new Manitoba time zone, and updated AI components.

KB5124010 for Windows 11 version 25H2 and 24H2 delivers quality improvements, new features, and fixes. It also includes SSU KB5124009 and notes known issues affecting domain-joined devices and USB Audio Class 1.0 devices. Reference IDs: KB5124008.

KB5129195 is an out-of-band cumulative update for Windows 11 version 25H2. It adds protection for CVE-2026-62721 and fixes Remote Desktop Services, Hyper-V Plan9 folder sharing, and USB multichannel audio issues. Reference IDs: KB5124007.

KB5124008 updates Windows 11 25H2 with security improvements, Secure Boot certificate deployment, and quality fixes for mouse, personalization, Teams and Outlook on Arm64, Remote Desktop audio redirection, and OMA-DM logging. Reference IDs: KB5120998, KB5124007.

KB5120998 for Windows 11 version 25H2 introduces taskbar, Start, Search, File Explorer, Windows Update, and setup improvements. It also begins rolling out Administrator protection, adds support for app update coordination with Windows Update, and includes SSU KB5120997.

KB5121003 updates Windows 11 25H2 with security improvements and expanded Secure Boot certificate deployment coverage. It also includes servicing stack update KB5123304 and AI component updates. Reference IDs: KB5101684, KB5121767, KB5101650.

KB5101684 for Windows 11 25H2/24H2 delivers non-security quality improvements, new features, and reliability fixes. It also improves Secure Boot certificate targeting and includes SSU KB5101711 (Build 26100.8962). Reference IDs: KB5101650, KB5074105.

KB5121767 is an out-of-band cumulative update for Windows 11 25H2, OS Builds 26200.8894 and 26100.8894. It fixes a performance, power, or behavior issue affecting some devices with Intel IPF drivers and includes SSU KB5120102. Reference IDs: KB5101650.

KB5101650 updates Windows 11 25H2 with security fixes, quality improvements, and non-security changes from prior preview releases. It also adds RDP certificate thumbprint guidance, curl 8.21.0, and servicing stack update KB5120102. Reference IDs: KB5094126, KB5095093.

KB5094126 updates Windows 11 version 25H2 and 24H2 to OS Builds 26200.8655 and 26100.8655. It includes June 2026 security fixes, Secure Boot certificate rollout improvements, and a virtualization fix for stop errors after KB5089573. Reference IDs: KB5089549.

KB5089573 updates Windows 11 version 25H2 and 24H2 with production-quality improvements, new features, and reliability fixes. It also addresses the installation failure error 0x800f0922 and adds Secure Boot certificate rollout controls. Reference IDs: KB5089549, KB5092734.

KB5083769 updates Windows 11 version 25H2 and 24H2 to OS Builds 26200.8246 and 26100.8246 with the latest security fixes, quality improvements, and new Secure Boot and Remote Desktop protections. It also includes the Windows 11 servicing stack update KB5088467.

KB5086672 updates Windows 11 25H2 and 24H2 to OS Builds 26200.8117 and 26100.8117. It includes prior quality improvements and fixes an installation error affecting KB5079391 (0x80073712). Reference IDs: KB5079473, KB5085516, KB5079387.

KB5086672 updates Windows 11 25H2 and 24H2 to OS Builds 26200.8117 and 26100.8117. It fixes a March 2026 preview update installation error (0x80073712) and includes prior quality improvements plus servicing stack updates. Reference IDs: KB5079391, KB5079473, KB5085516, KB5079387.

KB5079391 updates Windows 11 version 25H2 and 24H2 with quality improvements, new features, and fixes. It was later paused for new devices due to an installation issue; KB5086672 addresses that problem and includes these improvements. Reference IDs: KB5079387.