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Microsoft Windows Elevation of Privilege Vulnerability in Windows Subsystem for Linux

Vulnerability

A use-after-free vulnerability has been identified in the Windows Subsystem for Linux, allowing an authorized attacker to elevate privileges locally. This vulnerability affects multiple Windows versions, including Windows 10, Windows 11, Windows Server 2022, and Windows Server 2025.

Impact

Exploitation of this vulnerability could lead to unauthorized privilege escalation, allowing an attacker to gain SYSTEM privileges.

Remediation

Users can download the security update for their specific Windows version through the Microsoft Update Catalog. Knowledge Base articles related to this update are also available.

Added: Feb 10, 2026, 9:34 PM
Updated: Feb 11, 2026, 2:10 AM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
7.5
exploitability
2.7
remediation
0.0
relevance
2.9
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.