Windows 11 · 23H2 · Release · Security update (Patch Tuesday)
Cumulative Update for Windows 11, version 23H2 (22631.7219)
- Release
- Cumulative update
- KB5093998 — Microsoft's article, opens in a new tab
- amd64
- arm64
Windows 11 23H2: Home/Pro servicing ended November 2025
AI summary
This cumulative security update for Windows 11 23H2 (build 22631.7219) delivers Patch Tuesday–style hardening plus stability improvements, including Secure Boot/BitLocker servicing, mobile operator and device-management certificate sync, and File Explorer search reliability. fileciteturn0file1
Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.
Microsoft's known issues — KB5093998
- Issue Known issue Microsoft has received reports of an issue in which certain third-party applications might be unable to launch Microsoft Office applications or open documents after installing the Windows updates released on or after June 9, 2026. This issue affects certain third-party applications that use OLE automation to interact with Microsoft Office applications. In some cases, the Office application or document might fail to open without displaying an error message. Affected Microsoft Office applications might include Word, Excel, PowerPoint, Access, and other Microsoft Office applications when launched from within the affected third-party application. Reports indicate that this issue may affect appli Workaround: This issue is resolved in Windows updates released on and after July 14, 2026 such as KB5099414 . We recommend you install the latest Windows update for your device as it contains important improvements and issue resolutions, including this one. This issue is addressed in KB5099414 This issue is addressed in KB5099414
Known issues — reported on the forum
In the news
- Issue Windows KB5094126 KB5093998 Break Office Launch via OLE Automation
- Fix June 2026 Patch Tuesday for Windows 11: KB5094126, KB5093998, KB5095051
- Fix KB5093998 Windows 11 23H2 Secure Boot & BitLocker Fixes: What IT Must Know
- Coverage KB5094156 (June 9, 2026): Safe OS Update and Secure Boot Cert Expiration for Win 11 23H2
- Coverage KB5095971 Setup Dynamic Update: Improve Windows 11 23H2 Feature Update Reliability
- Coverage Windows 11 26H2: 174KB Enablement for 24H2/25H2, 6.5GB for 23H2
- Coverage Windows 11 on DDR1 Core 2 Quad: How Long the Hack Can Last (23H2 vs 24H2)
- Fix Windows 11 23H2 Quiet Fix: Microsoft Suggests Disabling Ignored Notifications
Discussed on the forum
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