Use After Free in Microsoft Windows 11 Version 24h2

CVE-2026-69401

Use after free in Audio Video Control Transport Protocol allows an authorized attacker to elevate privileges locally.

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-69401?
CVE-2026-69401 is a high-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Use After Free. CVSS score: 7.0/10. Published 2026-09-08.
How severe is CVE-2026-69401?
High severity. CVSS v3 base score is 7.0 out of 10.