Microsoft Windows Kernel Privilege Escalation Vulnerability

Vulnerability

A heap-based buffer overflow vulnerability has been identified in the Windows Kernel. This vulnerability allows an authorized attacker to elevate privileges locally. The issue affects multiple versions of Windows 11 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 this vulnerability via the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles linked within the security update guide.

Added: Feb 10, 2026, 9:32 PM
Updated: Feb 11, 2026, 2:09 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
2.7
remediation
7.7
relevance
3.0
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.