CVE tracker / CVE-2026-94529
CVE-2026-94529
CVE-2026-94529 is the Windows Broadcast DVR User Service Elevation of Privilege Vulnerability. Microsoft rates it Important, CVSS 7.0. It is not in CISA's Known Exploited Vulnerabilities catalog. Published November 10, 2026.
Risk summary
Microsoft describes it: “Heap-based buffer overflow in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.”
How to fix it
Microsoft lists 18 affected products and the update that fixes each:
- KB5131085 · fixed build 10.0.17763.9487
Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 1809 for 32-bit Systems - KB5131087 · fixed build 10.0.22631.7711
Windows 11 Version 23H2 for x64-based Systems, Windows 11 Version 23H2 for ARM64-based Systems - KB5131096 · fixed builds 10.0.19045.7846, 10.0.19044.7846
Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 22H2 for x64-based Systems, Windows 10 Version 22H2 for 32-bit Systems, Windows 10 Version 21H2 for x64-based Systems, Windows 10 Version 21H2 for 32-bit Systems, and 1 more - KB5132043 · fixed builds 10.0.26200.9911, 10.0.26300.9911, 10.0.26100.9911
Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, and 1 more - KB5132059 · fixed build 10.0.28000.3501
Windows 11 version 26H1 for x64-based Systems, Windows 11 Version 26H1 for ARM64-based Systems - KB5132061 · fixed builds 10.0.26200.9974, 10.0.26300.9974, 10.0.26100.9974
Windows 11 Version 25H2 for x64-based Systems, Windows 11 Version 26H2 for ARM64-based Systems, Windows 11 Version 26H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, and 1 more
What Microsoft changed
- November 10, 2026: Information published.
Details
- Weakness
- CWE-122: Heap-based Buffer Overflow
- Publicly disclosed (Microsoft)
- No
- Exploited (Microsoft)
- No
- Known exploited (CISA KEV)
- Not listed
- Published
- November 10, 2026
- Last revised
- November 10, 2026
Get told when this changes
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References
From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.