CVE-2025-53788 HIGH

CVE-2025-53788: Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability

Vendor Microsoft
Product Windows Subsystem for Linux (WSL2)
Weakness CWE-367
Published August 12, 2025
Last update February 26, 2026

CVSS base score

7.0/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

Key dates

02Disclosure timeline

August 12, 2025 CVE published
February 26, 2026 Record updated