CVE-2026-57973 MEDIUM

CVE-2026-57973: Windows Subsystem for Linux (WSL2) Kernel Tampering Vulnerability

Vendor Microsoft
Product Windows Subsystem for Linux (WSL2)
Weakness CWE-367
Published July 14, 2026
Last update July 24, 2026
View on NVD All CVEs

CVSS base score

6.3/10
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:N/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 perform tampering locally.

Key dates

02Disclosure timeline

July 14, 2026 CVE published
July 24, 2026 Record updated