What is CVE-2026-102204?

CVE-2026-102204 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Subsystem for Linux Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-102204 cover?

CVE-2026-102204 covers the following CVE IDs: CVE-2026-102204. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-102204?

CVE-2026-102204 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-102204?

CVE-2026-102204 affects 1 product, including: Windows Subsystem for Linux (WSL2).

CVE-2026-102204HighCVSS 7.8

Windows Subsystem for Linux Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

October 13, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-102204 →

📋 Description

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

🎯 Affected products1

Windows Subsystem for Linux (WSL2)

✅ Remediation

KBRelease Notes (Security Update) — fixed build 3.0.1

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102204
patchhttps://github.com/microsoft/WSL/releases/tag/3.0.1