Microsoft Windows 11 Updates

Name: Microsoft Windows 11
Brand: Microsoft

Software Utilities Windows

Here you will find all software, firmware, and hardware updates from Microsoft Windows 11.

Get Windows 11 Updates

New Release every

3 days

Critical fixes

Security-related releases

100%

Risk factor
A total of 21 updates have been released for Windows 11.

Smooth installs %

Minor issues %

Major issues %

Variants

Windows 11 23H2

Platform: Windows

View 11 Updates

Windows 11 24H2

Platform: Windows

View 22 Updates

Windows 11 25H2

Platform: Windows

View 23 Updates

Windows 11 26H1

Platform: Windows

View 16 Updates

Updates

Latest vendor release: Sep 8, 2026

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KB5124012 for Windows 11 version 26H1 updates OS Build 28000.2954 with the latest security fixes and non-security improvements from KB5120996. It also improves Secure Boot targeting, fixes Teams and Outlook crashes on Arm64, and addresses Remote Desktop audio redirection issues. Reference IDs: KB5125104.

Security update Microsoft Windows 11 26H1

Sep 8, 2026

OS Build 28000.2954

Security update Microsoft Windows 11 26H1

Sep 8, 2026

OS Build 28000.2954

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

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

KB5122880 for Windows 11 version 23H2 (OS Build 22621.7582) includes the latest security fixes plus non-security improvements from KB5120240. It also updates Secure Boot certificate targeting, Morocco Standard Time, cellular profiles, OMA DM logging, and Remote Desktop audio redirection. Reference IDs: KB5027397.

Security update Microsoft Windows 11 23H2

Sep 8, 2026

OS Build 22621.7582

Security update Microsoft Windows 11 23H2

Sep 8, 2026

OS Build 22621.7582

Windows 11, version 26H1 is for new devices with select silicon starting early 2026. Microsoft says devices on earlier Windows 11 versions will not be offered 26H1 through Windows Update or as an in-place upgrade.

Security update Microsoft Windows 11 26H1

Aug 29, 2026

Windows 11, version 26H1

Security update Microsoft Windows 11 26H1

Aug 29, 2026

Windows 11, version 26H1

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

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

KB5121000 for Windows 11, version 26H1 updates OS Build 28000.2704 with the latest security fixes and non-security improvements from prior releases. It also references the August 2026 Security Updates guide and includes servicing stack update KB5121292.

Security update Microsoft Windows 11 26H1

Aug 11, 2026

OS Build 28000.2704

Security update Microsoft Windows 11 26H1

Aug 11, 2026

OS Build 28000.2704

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

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

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KB5120240 for Windows 11, version 23H2 (OS Build 22631.7517) includes the latest security fixes and quality improvements from KB5099414. It also refreshes Secure Boot certificate targeting, improves MDM and File History reliability, and adds GIPHY support in the emoji panel. Reference IDs: KB5027397.

Security update Microsoft Windows 11 23H2

Aug 11, 2026

OS Build 22631.7517

Security update Microsoft Windows 11 23H2

Aug 11, 2026

OS Build 22631.7517

KB5101681 for Windows 11 version 26H1 (OS Build 28000.2608) is a non-security preview update with quality improvements, new features, and reliability fixes. It also includes KB5101747 servicing stack update and AI components version 1.2608.856.0. Reference IDs: KB5101649.

Microsoft Windows 11 26H1

Jul 28, 2026

OS Build 28000.2608

Microsoft Windows 11 26H1

Jul 28, 2026

OS Build 28000.2608

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

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 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

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

KB5101649 for Windows 11 version 26H1 (OS Build 28000.2525) includes July 2026 security updates, non-security improvements from KB5095051 and KB5095091, and servicing stack update KB5121292. It also adds RDP SHA-2 thumbprint support and security hardening for TDI transport registration.

Security update Microsoft Windows 11 26H1

Jul 14, 2026

OS Build 28000.2525

Security update Microsoft Windows 11 26H1

Jul 14, 2026

OS Build 28000.2525

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

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

KB5099414 for Windows 11 version 23H2 updates OS Build 22631.7376 with July 2026 security fixes, quality improvements from KB5093998, and new Secure Boot and RDP security changes. It also includes the servicing stack update KB5104023. Reference IDs: KB5027397.

Security update Microsoft Windows 11 23H2

Jul 14, 2026

OS Build 22631.7376

Security update Microsoft Windows 11 23H2

Jul 14, 2026

OS Build 22631.7376

Follow Windows 11 for updates

Get notified when new software, firmware, or hardware updates are released for Windows 11.