Microsoft Windows PrintWorkflowUserSvc Privilege Escalation Vulnerability

Vulnerability

A use-after-free vulnerability has been identified in the Windows PrintWorkflowUserSvc component. This vulnerability allows an authorized attacker to locally elevate privileges. The issue arises from improper memory management, creating a race condition that could be exploited to gain higher-level permissions.

Impact

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

Remediation

Users can apply the security updates KB5063878 and KB5064010 to address this vulnerability. These updates are available through the Microsoft Update Catalog.

Added: Sep 1, 2025, 7:22 PM
Updated: Sep 1, 2025, 7:22 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
7.5
exploitability
2.9
remediation
0.0
relevance
0.3
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.