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CVE-2026-102204

Windows Subsystem for Linux Elevation of Privilege Vulnerability

Microsoft Windows Subsystem for Linux (WSL2)Operating systems
Open in ThreatlineRecord JSON
CVSS
7.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.34%Chance of exploitation activity in the next 30 days, higher than 26% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in3.0.1Fixed versionCVE List
Published13 Oct 2026Updated 23 Oct 2026CVE List

What fixes it

  • 3.0.1Windows Subsystem for Linux (WSL2)CVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Vendor and government advisories 1

Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

Description

Improper link resolution before file access ('link following') in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

Text from CVE List

Affected versions 1

  • Windows Subsystem for Linux (WSL2)affected: 5.0.0.0 before 3.0.1CVE List

References 1