Microsoft Windows Kernel Privilege Escalation Vulnerability

Vulnerability

A use-after-free vulnerability has been identified in the Windows Kernel, allowing unauthorized attackers to elevate privileges locally. This vulnerability requires exploitation of a race condition and could potentially be used to crash the system, even for standard users.

Impact

Exploitation of this vulnerability could lead to unauthorized privilege escalation, allowing a user to gain elevated rights and potentially disrupt system stability by causing crashes.

Remediation

Users can apply the security update KB5066835 to address this vulnerability. This update is available through the Microsoft Update Catalog.

Added: Oct 14, 2025, 7:42 PM
Updated: Oct 14, 2025, 7:42 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
4.3
remediation
7.7
relevance
0.7
threat
0.0
urgency
2.9
incentive
0.8

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