Microsoft Windows User Interface Core Privilege Escalation Vulnerability

Vulnerability

A race condition vulnerability has been identified in Windows User Interface Core, allowing an authorized attacker to elevate privileges locally. This issue arises from improper synchronization in concurrent execution using shared resources.

Impact

Exploitation of this vulnerability could allow an attacker to elevate privileges from a Low Integrity Level in a contained execution environment to a Medium Integrity Level, potentially escaping a sandboxed execution environment.

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: Apr 14, 2026, 10:26 PM
Updated: Apr 14, 2026, 10:26 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
1.3
exploitability
2.9
remediation
0.0
relevance
5.9
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.