CVE tracker / CVE-2026-105565
CVE-2026-105565
CVE-2026-105565 is the Windows MIDI Service Module Elevation of Privileges 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: “Use after free in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.”
How to fix it
Microsoft lists 8 affected products and the update that fixes each:
- KB5132043 · fixed builds 10.0.26100.9911, 10.0.26300.9911, 10.0.26200.9911
Windows 11 Version 24H2 for ARM64-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 25H2 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 10.0.26100.9974, 10.0.26300.9974, 10.0.26200.9974
Windows 11 Version 24H2 for ARM64-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 25H2 for x64-based Systems, and 1 more
What Microsoft changed
- November 10, 2026: Information published.
Details
- Weakness
- CWE-416: Use After Free
- 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.