CVE-2026-26165

HIGH

Windows Shell Elevation of Privilege Vulnerability

Title source: cna
STIX 2.1

Description

Use after free in Windows Shell allows an authorized attacker to elevate privileges locally.

Scores

CVSS v3 7.0
EPSS 0.0004
EPSS Percentile 13.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (10)
Microsoft/Windows 11 version 22H3 10.0.22631.0 - 10.0.22631.6936
Microsoft/Windows 11 Version 23H2 10.0.22631.0 - 10.0.22631.6936
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.32690
Microsoft/Windows 11 Version 24H2 10.0.26100.0 - 10.0.26100.8246
Microsoft/Windows 11 Version 25H2 10.0.26200.0 - 10.0.26200.8246
Microsoft/Windows 11 version 26H1 10.0.28000.0 - 10.0.28000.1836
Microsoft/Windows Server 2022 10.0.20348.0 - 10.0.20348.5020
Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 - 10.0.25398.2274
Microsoft/Windows Server 2025 10.0.26100.0 - 10.0.26100.32690
Microsoft/Windows Server 2025 (Server Core installation) 10.0.26100.0 - 10.0.26100.32690
Published Apr 14, 2026
Tracked Since Apr 14, 2026