Use After Free in Microsoft Windows 11 Version 23h2

CVE-2026-69599

Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/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-2026-69599?
CVE-2026-69599 is a high-severity vulnerability in Microsoft Windows 11 Version 23h2, classified under Use After Free. CVSS score: 7.5/10. Published 2026-09-08.
How severe is CVE-2026-69599?
High severity. CVSS v3 base score is 7.5 out of 10.