Microsoft Data Sharing Service Client Race Condition Vulnerability Allowing Local Spoofing

Vulnerability

A race condition vulnerability has been identified in the Data Sharing Service Client, allowing an unauthorized attacker to perform local spoofing. This issue arises from concurrent execution using shared resources with improper synchronization.

Impact

Exploitation of this vulnerability could lead to unauthorized spoofing actions within the affected application or service.

Remediation

Users can apply the security update provided by Microsoft to address this vulnerability. This security update is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5066791, KB5066782, KB5066586, KB5066835, and KB5066836.

Added: Oct 14, 2025, 6:45 PM
Updated: Oct 14, 2025, 9:17 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
0.6
exploitability
4.0
remediation
0.0
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.