CVE-2026-57968

HIGH7.8

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

Published Jul 14, 2026

Modified Today

Fix available

Details

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

Affected Packages

Windows Subsystem for Linux

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1703)Windows 10 (1709)Windows 10 (1803)

Fixed in:

2.7.8

References

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Other

Ecosystems(22)

Timeline

PublishedJul 14, 2026

ModifiedAug 24, 2026