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Microsoft Windows 11 23H2 Updates

Software Utilities Windows

Here you will find all software, firmware, and hardware updates from Microsoft Windows 11 23H2.

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New Release every
22 days
Critical fixes
10
Security-related releases
100%

Risk factor
A total of 2 users have rated 13 of 14 updates for Windows 11 23H2.

Smooth installs 100%
Minor issues 0%
Major issues 0%

Updates for Microsoft Windows 11 23H2

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 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 23H2 Logo

KB5129242 for Windows 11, version 23H2 is an out-of-band cumulative update for OS Build 22631.7584. It includes security fixes from KB5122880 plus fixes for Remote Desktop Services, Hyper-V Plan9 folder sharing, and USB Audio Class 1.0 multichannel audio. Reference IDs: KB5122879.

Security update Microsoft Windows 11 23H2
Sep 14, 2026
OS Build 22631.7584
Security update Microsoft Windows 11 23H2
Sep 14, 2026
OS Build 22631.7584
Windows 11 23H2 Logo

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 23H2 Logo

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
Windows 11 23H2 Logo

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
Windows 11 23H2 Logo

KB5093998 updates Windows 11 version 23H2 to OS Build 22631.7219 with the latest security fixes and quality improvements from KB5087420. It also addresses a BitLocker recovery issue, improves Secure Boot certificate rollout and device management, and enhances File Explorer search. Reference IDs: KB5094146, KB5027397, KB5082052.

Security update Microsoft Windows 11 23H2
Jun 9, 2026
OS Build 22631.7219
Security update Microsoft Windows 11 23H2
Jun 9, 2026
OS Build 22631.7219
Windows 11 23H2 Logo

KB5087420 for Windows 11 version 23H2 (OS Build 22631.7079) delivers security fixes, quality improvements, and Secure Boot rollout changes. It also includes a Remote Desktop warning dialog fix and a known BitLocker recovery-key issue on some managed devices. Reference IDs: KB5027397, KB5082052, KB5086307.

Security update Microsoft Windows 11 23H2
May 12, 2026
OS Build 22631.7079
Security update Microsoft Windows 11 23H2
May 12, 2026
OS Build 22631.7079
Windows 11 23H2 Logo

KB5082052 updates Windows 11 version 23H2 to OS Build 22631.6936 with security fixes, quality improvements, Secure Boot enhancements, SMB over QUIC reliability improvements, and Remote Desktop phishing protections. It also includes the servicing stack update KB5086307. Reference IDs: KB5027397, KB5078883, KB5087420.

Security update Microsoft Windows 11 23H2
Apr 14, 2026
OS Build 22631.6936
Security update Microsoft Windows 11 23H2
Apr 14, 2026
OS Build 22631.6936
Windows 11 23H2 Logo

KB5078883 updates Windows 11 version 23H2 to OS Build 22631.6783 with security fixes and quality improvements from KB5075941. It also adds Secure Boot management enhancements, File History reliability fixes, graphics stability improvements, and a servicing stack update KB5079275. Reference IDs: KB5027397.

Security update Microsoft Windows 11 23H2
Mar 10, 2026
OS Build 22631.6783
Security update Microsoft Windows 11 23H2
Mar 10, 2026
OS Build 22631.6783
Windows 11 23H2 Logo

KB5075941 updates Windows 11 version 23H2 to OS Build 22631.6649 with security fixes, quality improvements, and non-security changes from recent preview releases. It also includes Secure Boot rollout updates and fixes for DWM, File Explorer, graphics, SmartScreen logging, and VSM shutdown/hibernation behavior. Reference IDs: KB5077457, KB5027397.

Security update Microsoft Windows 11 23H2
Feb 10, 2026
OS Build 22631.6649
Security update Microsoft Windows 11 23H2
Feb 10, 2026
OS Build 22631.6649
Windows 11 23H2 Logo

KB5078132 is an out-of-band cumulative update for Windows 11, version 23H2, OS Build 22631.6495. It includes prior security updates and fixes an issue where apps could hang or error when opening or saving cloud-based files, including some Outlook PST scenarios. Reference IDs: KB5073455, KB5077797, KB5071963, KB5075941.

Microsoft Windows 11 23H2
Jan 24, 2026
OS Build 22631.6495
Microsoft Windows 11 23H2
Jan 24, 2026
OS Build 22631.6495
Windows 11 23H2 Logo

KB5077797 is an out-of-band cumulative update for Windows 11 version 23H2 (OS Build 22631.6494). It includes January 13, 2026 security updates plus fixes for Remote Desktop sign-in failures and Secure Launch devices restarting instead of shutting down or hibernating. Reference IDs: KB5073455, KB5071963, KB5078132, KB5075941.

Security update Microsoft Windows 11 23H2
Jan 17, 2026
OS Build 22631.6494
Security update Microsoft Windows 11 23H2
Jan 17, 2026
OS Build 22631.6494
Windows 11 23H2 Logo

KB5073455 for Windows 11 version 23H2 (OS Build 22631.6491) delivers January 2026 security fixes, quality improvements, and non-security updates from KB5071417. It also includes Secure Boot certificate targeting changes and a security hardening update for credential autofill.

Security update Microsoft Windows 11 23H2
Jan 13, 2026
OS Build 22631.6491
Security update Microsoft Windows 11 23H2
Jan 13, 2026
OS Build 22631.6491