Vulnerability · Published Jun 9, 2026 · Assigned by microsoft

CVE-2026-42829Windows Administrator Protection Secure Feature Bypass Vulnerability

High 7.8

In plain English

A high-severity improper access control in Windows 11 Version 24H2 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 78.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper access control in Windows Administrator Protection allows an authorized attacker to bypass a security feature locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.8655
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.8655
Microsoft Windows 11 version 26H1 10.0.28000.0 – before 10.0.28000.2269

Weakness: CWE-284 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References