Auth bypass in Microsoft Windows 11 Version 23h2

CVE-2026-69528

Missing authentication for critical function in Windows Shell allows an authorized attacker to elevate privileges locally.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-69528?
CVE-2026-69528 is a high-severity vulnerability in Microsoft Windows 11 Version 23h2, classified under Missing Authentication for Critical Function. CVSS score: 7.8/10. Published 2026-09-08.
How severe is CVE-2026-69528?
High severity. CVSS v3 base score is 7.8 out of 10.