PT-2026-47877 · Microsoft · Windows 11 Version 24H2+2

Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-42829

Mitre

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-42829

Affected Products

Windows 11 Version 24H2

Windows 11 Version 25H2

Windows 11 Version 26H1

References · 2

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42829 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42829 · Security Note