Name: Microsoft Windows 11 24H2
Brand: Microsoft

KB5134133 is a non-security out-of-band cumulative update for Windows 11 version 24H2. It adds updated trusted root certificates for devices that cannot receive automatic certificate trust list updates and includes quality improvements.

Security update Microsoft Windows 11 24H2

Oct 26, 2026

OS Build 26100.9725; AI components 1.2608.951.0; SSU Build 26100

Security update Microsoft Windows 11 24H2

Oct 26, 2026

OS Build 26100.9725; AI components 1.2608.951.0; SSU Build 26100

KB5127648 updates Windows 11 version 24H2 to OS Build 26100.9711 with security improvements, Secure Boot certificate deployment, ReFS auditing controls, and fixes for Explorer, VPN, storage, printing, audio, and Windows Hello.

Security update Microsoft Windows 11 24H2

Oct 13, 2026

OS Build 26100.9711

Security update Microsoft Windows 11 24H2

Oct 13, 2026

OS Build 26100.9711

KB5124010 is the September 22, 2026 preview update for Windows 11, version 24H2, with quality improvements, new features, and fixes. It is the final preview update for 24H2 and includes OS Build 26100.9550. Reference IDs: KB5124009, KB5124008.

Security update Microsoft Windows 11 24H2

Sep 22, 2026

OS Builds 26200.9550 and 26100.9550

Security update Microsoft Windows 11 24H2

Sep 22, 2026

OS Builds 26200.9550 and 26100.9550

KB5129195 for Windows 11, version 24H2 is an out-of-band cumulative update for OS Build 26100.9457. It adds protection for CVE-2026-62721 and fixes Remote Desktop Services, Hyper-V Plan9 folder sharing, and USB Audio Class 1.0 multichannel audio issues. Reference IDs: KB5122880, KB5124007.

Security update Microsoft Windows 11 24H2

Sep 14, 2026

OS Build 26100.9457

Security update Microsoft Windows 11 24H2

Sep 14, 2026

OS Build 26100.9457

KB5124008 updates Windows 11 24H2 with security improvements, Secure Boot certificate deployment, and fixes for mouse, personalization, Teams/Outlook on Arm64, Remote Desktop audio redirection, and OMA-DM logging. It includes OS Builds 26200.9445 and 26100.9445. Reference IDs: KB5120998, KB5124007.

Security update Microsoft Windows 11 24H2

Sep 8, 2026

OS Builds 26200.9445 and 26100.9445

Security update Microsoft Windows 11 24H2

Sep 8, 2026

OS Builds 26200.9445 and 26100.9445

KB5120998 for Windows 11 24H2 (OS Build 26100.9278) adds taskbar, Start, Search, File Explorer, Windows Update, and setup improvements. It also introduces Administrator protection, Windows Autopilot device preparation GA, and updates AI components. Reference IDs: KB5120997.

Security update Microsoft Windows 11 24H2

Aug 27, 2026

OS Build 26100.9278

Security update Microsoft Windows 11 24H2

Aug 27, 2026

OS Build 26100.9278

KB5121003 for Windows 11 24H2 updates OS Builds 26200.9168 and 26100.9168. It includes security improvements, expanded Secure Boot certificate deployment targeting, AI component updates, and servicing stack update KB5123304.

Security update Microsoft Windows 11 24H2

Aug 11, 2026

OS Builds 26200.9168 and 26100.9168

Security update Microsoft Windows 11 24H2

Aug 11, 2026

OS Builds 26200.9168 and 26100.9168

KB5101684 for Windows 11 24H2 (OS Build 26100.8973) is a non-security preview update with quality improvements, new features, and reliability fixes. It also includes SSU KB5101711 and updates AI components to version 1.2607.840.0. Reference IDs: KB5101650, KB5074105.

Security update Microsoft Windows 11 24H2

Jul 28, 2026

OS Builds 26200.8973 and 26100.8973

Security update Microsoft Windows 11 24H2

Jul 28, 2026

OS Builds 26200.8973 and 26100.8973

KB5121767 is an out-of-band cumulative update for Windows 11, version 24H2. It addresses a performance, power, or behavior issue on some devices with Intel IPF drivers and includes SSU KB5120102. Reference IDs: KB5101650.

Microsoft Windows 11 24H2

Jul 18, 2026

OS Builds 26200.8894 and 26100.8894

Microsoft Windows 11 24H2

Jul 18, 2026

OS Builds 26200.8894 and 26100.8894

KB5101650 updates Windows 11 24H2 with the latest security fixes, quality improvements, and non-security changes from prior preview releases. It also includes security hardening for TDI transports, RDP publisher thumbprint guidance, and a curl update to 8.21.0. Reference IDs: KB5094126, KB5095093, KB5120102.

Security update Microsoft Windows 11 24H2

Jul 14, 2026

OS Builds 26200.8875 and 26100.8875

Security update Microsoft Windows 11 24H2

Jul 14, 2026

OS Builds 26200.8875 and 26100.8875

KB5095093 updates Windows 11 version 25H2 and 24H2 with production-quality improvements, new features, and reliability fixes. It also improves Secure Boot certificate rollout, authentication, networking, printing, and File Explorer behavior. Reference IDs: KB5095182, KB5094126, KB5089549.

Security update Microsoft Windows 11 24H2

Jun 23, 2026

OS Builds 26200.8737 and 26100.8737

Security update Microsoft Windows 11 24H2

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-related stop error fix. Reference IDs: KB5089549, KB5089573.

Security update Microsoft Windows 11 24H2

Jun 9, 2026

OS Builds 26200.8655 and 26100.8655

Security update Microsoft Windows 11 24H2

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 May 2026 installation failure error 0x800f0922 and includes Secure Boot certificate rollout updates. Reference IDs: KB5092734.

Security update Microsoft Windows 11 24H2

May 26, 2026

OS Builds 26200.8524 and 26100.8524

Security update Microsoft Windows 11 24H2

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 with the latest security fixes, quality improvements, Secure Boot rollout changes, and a servicing stack update. It also addresses BitLocker recovery after boot file updates and includes a known install issue fixed by KB5089573. Reference IDs: KB5083769, KB5083631, KB5092762.

Security update Microsoft Windows 11 24H2

May 12, 2026

OS Builds 26200.8457 and 26100.8457

Security update Microsoft Windows 11 24H2

May 12, 2026

OS Builds 26200.8457 and 26100.8457

KB5083631 updates Windows 11 25H2 and 24H2 with production-quality improvements, new features, and reliability fixes for File Explorer, input, storage, Windows Hello, and more. It also includes Secure Boot rollout changes and a known BitLocker recovery-key issue in specific configurations. Reference IDs: KB5088467, KB5089549, CVE-2024-30098.

Security update Microsoft Windows 11 24H2

Apr 30, 2026

OS Builds 26200.8328 and 26100.8328

Security update Microsoft Windows 11 24H2

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. It includes security fixes, Secure Boot and Remote Desktop protections, SMB over QUIC reliability improvements, and a fix for Reset this PC failures. Reference IDs: KB5088467, KB5089549, KB5083631.

Security update Microsoft Windows 11 24H2

Apr 14, 2026

OS Builds 26200.8246 and 26100.8246

Security update Microsoft Windows 11 24H2

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 March 2026 improvements and fixes a setup error that could block KB5079391 installation with 0x80073712. Reference IDs: KB5079473, KB5085516, KB5079387.

Microsoft Windows 11 24H2

Mar 31, 2026

OS Builds 26200.8117 and 26100.8117

Microsoft Windows 11 24H2

Mar 31, 2026

OS Builds 26200.8117 and 26100.8117

KB5079391 updates Windows 11 25H2 and 24H2 with production-quality improvements, new AI and Settings features, and reliability fixes. Microsoft later stopped offering it to new devices because of an installation issue, which was addressed in KB5086672. Reference IDs: KB5074105, KB5079387.

Security update Microsoft Windows 11 24H2

Mar 26, 2026

OS Builds 26200.8116 and 26100.8116

Security update Microsoft Windows 11 24H2

Mar 26, 2026

OS Builds 26200.8116 and 26100.8116

KB5085516 is an out-of-band cumulative update for Windows 11 25H2 and 24H2 (OS Builds 26200.8039 and 26100.8039). It fixes a Microsoft account sign-in issue after the March 10, 2026 update and includes servicing stack and AI component updates. Reference IDs: KB5079473, KB5085518, KB5083532.

Microsoft Windows 11 24H2

Mar 21, 2026

OS Builds 26200.8039 and 26100.8039

Microsoft Windows 11 24H2

Mar 21, 2026

OS Builds 26200.8039 and 26100.8039

KB5079473 updates Windows 11 25H2 and 24H2 to OS Builds 26200.8037 and 26100.8037 with the latest security fixes plus non-security improvements from KB5077181. It also includes a servicing stack update, Secure Boot certificate rollout changes, and a fix for WDAC COM object allowlisting. Reference IDs: KB5083532, KB5085516.

Security update Microsoft Windows 11 24H2

Mar 10, 2026

OS Builds 26200.8037 and 26100.8037

Security update Microsoft Windows 11 24H2

Mar 10, 2026

OS Builds 26200.8037 and 26100.8037

Microsoft Windows 11 24H2 Updates

Updates for Microsoft Windows 11 24H2

KB5134133 is a non-security out-of-band cumulative update for Windows 11 version 24H2. It adds updated trusted root certificates for devices that cannot receive automatic certificate trust list updates and includes quality improvements.

KB5127648 updates Windows 11 version 24H2 to OS Build 26100.9711 with security improvements, Secure Boot certificate deployment, ReFS auditing controls, and fixes for Explorer, VPN, storage, printing, audio, and Windows Hello.

KB5124010 is the September 22, 2026 preview update for Windows 11, version 24H2, with quality improvements, new features, and fixes. It is the final preview update for 24H2 and includes OS Build 26100.9550. Reference IDs: KB5124009, KB5124008.

KB5129195 for Windows 11, version 24H2 is an out-of-band cumulative update for OS Build 26100.9457. It adds protection for CVE-2026-62721 and fixes Remote Desktop Services, Hyper-V Plan9 folder sharing, and USB Audio Class 1.0 multichannel audio issues. Reference IDs: KB5122880, KB5124007.

KB5124008 updates Windows 11 24H2 with security improvements, Secure Boot certificate deployment, and fixes for mouse, personalization, Teams/Outlook on Arm64, Remote Desktop audio redirection, and OMA-DM logging. It includes OS Builds 26200.9445 and 26100.9445. Reference IDs: KB5120998, KB5124007.

KB5120998 for Windows 11 24H2 (OS Build 26100.9278) adds taskbar, Start, Search, File Explorer, Windows Update, and setup improvements. It also introduces Administrator protection, Windows Autopilot device preparation GA, and updates AI components. Reference IDs: KB5120997.

KB5121003 for Windows 11 24H2 updates OS Builds 26200.9168 and 26100.9168. It includes security improvements, expanded Secure Boot certificate deployment targeting, AI component updates, and servicing stack update KB5123304.

KB5101684 for Windows 11 24H2 (OS Build 26100.8973) is a non-security preview update with quality improvements, new features, and reliability fixes. It also includes SSU KB5101711 and updates AI components to version 1.2607.840.0. Reference IDs: KB5101650, KB5074105.

KB5121767 is an out-of-band cumulative update for Windows 11, version 24H2. It addresses a performance, power, or behavior issue on some devices with Intel IPF drivers and includes SSU KB5120102. Reference IDs: KB5101650.

KB5095093 updates Windows 11 version 25H2 and 24H2 with production-quality improvements, new features, and reliability fixes. It also improves Secure Boot certificate rollout, authentication, networking, printing, and File Explorer behavior. Reference IDs: KB5095182, KB5094126, KB5089549.

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-related stop error fix. Reference IDs: KB5089549, KB5089573.

KB5089573 updates Windows 11 version 25H2 and 24H2 with production-quality improvements, new features, and reliability fixes. It also addresses the May 2026 installation failure error 0x800f0922 and includes Secure Boot certificate rollout updates. Reference IDs: KB5092734.

KB5083769 updates Windows 11 version 25H2 and 24H2 to OS Builds 26200.8246 and 26100.8246. It includes security fixes, Secure Boot and Remote Desktop protections, SMB over QUIC reliability improvements, and a fix for Reset this PC failures. Reference IDs: KB5088467, KB5089549, KB5083631.

KB5086672 updates Windows 11 25H2 and 24H2 to OS Builds 26200.8117 and 26100.8117. It includes prior March 2026 improvements and fixes a setup error that could block KB5079391 installation with 0x80073712. Reference IDs: KB5079473, KB5085516, KB5079387.

KB5079391 updates Windows 11 25H2 and 24H2 with production-quality improvements, new AI and Settings features, and reliability fixes. Microsoft later stopped offering it to new devices because of an installation issue, which was addressed in KB5086672. Reference IDs: KB5074105, KB5079387.

KB5085516 is an out-of-band cumulative update for Windows 11 25H2 and 24H2 (OS Builds 26200.8039 and 26100.8039). It fixes a Microsoft account sign-in issue after the March 10, 2026 update and includes servicing stack and AI component updates. Reference IDs: KB5079473, KB5085518, KB5083532.