Microsoft Windows Function Discovery Service Privilege Escalation Vulnerability

Vulnerability

A race condition vulnerability has been identified in the Windows Function Discovery Service (fdwsd.dll), allowing an authorized attacker to elevate privileges locally. This issue arises from concurrent execution using shared resources without proper synchronization.

Impact

Exploitation of this vulnerability could lead to unauthorized administrative 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 KB5082126, KB5082127, KB5082198, KB5082063, KB5082200, and KB5083769.

Added: Apr 14, 2026, 8:58 PM
Updated: Apr 14, 2026, 8:58 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
2.9
remediation
7.7
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.