Vulnerability in Microsoft Windows Subsystem for Linux (WSL2)

[ Description ]Official description

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

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• CERT-FR14 Oct 2026CERTFR-2026-AVI-1316

  Multiple vulnerabilities in Microsoft products Translated from French

  Multiple vulnerabilities have been discovered in Microsoft products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.

  CVE-2026-88086CVE-2026-70007CVE-2026-70179+141 more CVEs
• BSI CERT-Bund13 Oct 2026WID-SEC-2026-3919

  Microsoft SystemCenter (Defender and Configuration Manager): Multiple vulnerabilities Translated from German

  CVE-2026-70264CVE-2026-70049CVE-2026-102204+2 more CVEs
• NCSC-NL13 Oct 2026NCSC-2026-0425

  Vulnerabilities fixed in Microsoft System Center Translated from Dutch

  Probability/damage M/HCVE-2026-70264CVE-2026-88075CVE-2026-102204

[ References ]References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102204