CVE-2026-57968

HIGH

Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability

Title source: cna
STIX 2.1

Description

Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57968

Scores

CVSS v3 7.8
EPSS 0.0031
EPSS Percentile 23.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/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-126
Status published
Products (2)
Microsoft/Windows Subsystem for Linux (WSL2) 5.0.0.0 - 2.7.8
microsoft/windows_subsystem_for_linux < 2.7.8
Published Jul 14, 2026
Tracked Since Jul 14, 2026