Microsoft Windows Common Log File System Driver Privilege Escalation Vulnerability

Vulnerability

A heap-based buffer overflow vulnerability has been identified in the Windows Common Log File System Driver. This vulnerability allows an authorized attacker to locally elevate privileges. The issue affects multiple Windows products, including various versions of Windows Server, Windows 10, and Windows 11.

Impact

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

Remediation

Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles linked in the 'Security Updates' section.

Added: Jan 13, 2026, 8:17 PM
Updated: Jan 13, 2026, 8:17 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
3.3
remediation
7.7
relevance
2.0
threat
0.0
urgency
2.9
incentive
1.7

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