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Microsoft Windows 11 Updates

Software Utilities Windows

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

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New Release every
2 days
Critical fixes
10
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 14 Updates

Windows 11 24H2

Platform: Windows
View 26 Updates

Windows 11 25H2

Platform: Windows
View 28 Updates

Windows 11 26H1

Platform: Windows
View 21 Updates

Windows 11 26H2

Platform: Windows
View 4 Updates

Updates

Latest vendor release: Oct 28, 2026

Windows 11 26H2 Logo

KB5127936 preview for Windows 11 version 26H2 delivers new File Explorer, recovery, accessibility, networking, and management features, plus fixes for Remote Desktop, VPN, audio, Sandbox, BitLocker, and WSL.

Security update Microsoft Windows 11 26H2
Oct 28, 2026
OS Build 26300.9818
Security update Microsoft Windows 11 26H2
Oct 28, 2026
OS Build 26300.9818
Windows 11 25H2 Logo

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
Windows 11 26H1 Logo

KB5127653 updates Windows 11 version 26H1 to OS Build 28000.3365 with new File Explorer, accessibility, recovery, personalization, and administration features. It also delivers quality fixes for Remote Desktop, BitLocker, Always On VPN, WSL, audio, certificates, and application control.

Security update Microsoft Windows 11 26H1
Oct 28, 2026
OS Build 28000.3365
Security update Microsoft Windows 11 26H1
Oct 28, 2026
OS Build 28000.3365
Windows 11 26H2 Logo

KB5134133 delivers an out-of-band cumulative update for Windows 11 version 26H2, including an updated trusted root certificate payload, AI component updates, and servicing reliability improvements.

Security update Microsoft Windows 11 26H2
Oct 26, 2026
OS Build 26300.9725
Security update Microsoft Windows 11 26H2
Oct 26, 2026
OS Build 26300.9725
Windows 11 26H1 Logo

KB5134134 is a non-security out-of-band cumulative update for Windows 11 version 26H1. It adds updated trusted root certificate data for devices that cannot receive automatic certificate trust list updates.

Security update Microsoft Windows 11 26H1
Oct 26, 2026
OS Build 28000.3237; AI components 1.2608.951.0
Security update Microsoft Windows 11 26H1
Oct 26, 2026
OS Build 28000.3237; AI components 1.2608.951.0
Windows 11 25H2 Logo

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
Windows 11 24H2 Logo

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
Windows 11 23H2 Logo

KB5134130 (OS Build 22631.7654) is a non-security out-of-band cumulative update for Windows 11 version 23H2, adding an updated trusted-root certificate payload for devices unable to receive automatic CTL updates.

Security update Microsoft Windows 11 23H2
Oct 26, 2026
OS Build 22631.7654
Security update Microsoft Windows 11 23H2
Oct 26, 2026
OS Build 22631.7654
Windows 11 26H1 Logo

KB5127646 updates Windows 11 version 26H1 to OS Build 28000.3231 with security improvements, Secure Boot certificate deployment enhancements, ReFS auditing controls, and fixes for Explorer, VPN, Storage Spaces Direct, and gaming issues.

Security update Microsoft Windows 11 26H1
Oct 13, 2026
OS Build 28000.3231
Security update Microsoft Windows 11 26H1
Oct 13, 2026
OS Build 28000.3231
Windows 11 25H2 Logo

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
Windows 11 24H2 Logo

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
Windows 11 23H2 Logo

KB5126653 for Windows 11 version 23H2 delivers security fixes, Secure Boot certificate deployment, time-zone updates, and fixes for File History and tiered Storage Spaces Direct virtual disks.

Security update Microsoft Windows 11 23H2
Oct 13, 2026
OS Build 22621.7652
Security update Microsoft Windows 11 23H2
Oct 13, 2026
OS Build 22621.7652
Windows 11 26H2 Logo

KB5127648 updates Windows 11 26H2 to build 26300.9711 with security improvements, Secure Boot certificate deployment, ReFS security controls, and fixes for Explorer, VPN, Storage Spaces, printing, audio, and Windows Hello.

Security update Microsoft Windows 11 26H2
Oct 13, 2026
OS Build 26300.9711
Security update Microsoft Windows 11 26H2
Oct 13, 2026
OS Build 26300.9711
Windows 11 26H2 Logo

KB5124010 updates Windows 11 version 26H2 to OS Build 26300.9550 with new File Explorer, emoji, accessibility, touchpad, Copilot key, camera backup, and WinRE capabilities, plus quality fixes.

Security update Microsoft Windows 11 26H2
Sep 22, 2026
OS Build 26300.9550
Security update Microsoft Windows 11 26H2
Sep 22, 2026
OS Build 26300.9550
Windows 11 26H1 Logo

KB5124006 for Windows 11 version 26H1 (OS Build 28000.3086) delivers quality improvements, new taskbar, Start, Search, and File Explorer features, plus Administrator protection and other platform enhancements. It also includes a File History fix and notes known issues with domain trust and USB Audio Class 1.0 devices. Reference IDs: KB5124005, KB5124012.

Security update Microsoft Windows 11 26H1
Sep 22, 2026
OS Build 28000.3086
Security update Microsoft Windows 11 26H1
Sep 22, 2026
OS Build 28000.3086
Windows 11 25H2 Logo

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
Windows 11 24H2 Logo

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
Windows 11 26H1 Logo

KB5129194 for Windows 11, version 26H1 (OS Build 28000.2956) is an out-of-band update. It adds protections for CVE-2026-62721 and CVE-2026-85921 and fixes RDS, Hyper-V Plan9 sharing, and USB audio multichannel issues. Reference IDs: KB5124012, KB5125104.

Security update Microsoft Windows 11 26H1
Sep 14, 2026
OS Build 28000.2956
Security update Microsoft Windows 11 26H1
Sep 14, 2026
OS Build 28000.2956
Windows 11 25H2 Logo

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
Windows 11 24H2 Logo

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