What is CVE-2026-57968?

CVE-2026-57968 is a high-severity vulnerability in Microsoft Windows Subsystem For Linux, classified under Buffer Over-read. CVSS score: 7.8/10. Published 2026-07-14.

How severe is CVE-2026-57968?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Microsoft Windows Subsystem For Linux

CVE-2026-57968

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

EPSS: 0.003 (25.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Windows_subsystem_for_linux
Microsoft Windows Subsystem For Linux (Wsl2) — versions 5.0.0.0

Weakness classification (CWE)

CWE-126 — Buffer Over-read

References

Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-57968?: CVE-2026-57968 is a high-severity vulnerability in Microsoft Windows Subsystem For Linux, classified under Buffer Over-read. CVSS score: 7.8/10. Published 2026-07-14.
How severe is CVE-2026-57968?: High severity. CVSS v3 base score is 7.8 out of 10.