Patch tracker / KB5131087
KB5131087: Windows 11 Version 23H2 Security Update (November 2026)
KB5131087 is a Critical security update for Windows 11 Version 23H2, released 2026-11-10. It closes 574 CVEs with a maximum CVSS of 9.8. It is the eighth largest of the 27 updates Microsoft shipped that month, by CVEs closed.
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Update summary
Fixes 574 CVEs. Most severe CVSS 9.8 (Critical).
We checked Microsoft's support article for KB5131087 on 2026-11-10 and it lists no known issues. Read the article before broad deployment; Microsoft adds issues as reports come in, and we re-check on every refresh.
Senserva AI Opinion and rich prompt for KB5131087
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for KB5131087
- Released
- 2026-11-10
- Last changed
- 2026-11-10
- Changes tracked
- 1
Senserva began recording day-to-day change history on 2026-07-07, and refreshes it several times a day. Release dates are historical where Microsoft publishes them; revision history is tracked from that date forward, so it does not include changes made before then.
Check if KB5131087 is installed
Elevated PowerShell. No output means it is not installed.
Windows release health for this update
From Microsoft's Windows release health for Windows 11, version 23H2, checked 2026-11-10. Microsoft's issue text is linked from each title.
Issues this update resolves
- USB audio devices might fail to start or produce no sound
Resolved. Microsoft last updated it 2026-11-10 09:32 PT.
CVEs fixed by this update
Sorted exploited-first, then by CVSS. Every CVE links to its Senserva page with the full risk facts, references, and a ready-to-paste AI prompt.
What the press says about this update
Trusted-source coverage of the CVEs this update fixes, pulled live from their own feeds.
Scope and sources
- Affected products
- Also released in November 2026
KB5002945
24 CVEs · CriticalKB5129299
57 CVEs · CriticalKB5129300
54 CVEs · CriticalKB5131077
625 CVEs · CriticalKB5131080
627 CVEs · CriticalKB5131085
575 CVEs · CriticalKB5131090
592 CVEs · CriticalKB5131096
546 CVEs · CriticalThe full month, summarized: Microsoft Patch Tuesday.
- Authoritative references
See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.