Microsoft Windows 11 23H2 Updates

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

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New Release every
22.8 days
Critical fixes
8
Security-related releases
89%

Risk factor
A total of 0 users have rated 0 of 9 updates for Windows 11 23H2.

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

Updates for Microsoft Windows 11 23H2

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

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

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

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

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

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

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

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

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