Microsoft Windows SMB Client Privilege Escalation Vulnerability

Vulnerability

A vulnerability allowing integer overflow or wraparound in the Windows SMB client has been identified. This flaw enables an authorized attacker to locally elevate privileges. The vulnerability affects multiple Windows versions, including various releases of Windows Server, Windows 10, and Windows 11.

Impact

Exploitation of this vulnerability could allow an attacker to gain SYSTEM privileges.

Remediation

Users can apply the security updates provided by Microsoft. These security updates can be downloaded via the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles referenced in the vulnerability's update guide.

Added: Jun 10, 2025, 6:20 PM
Updated: Jun 10, 2025, 6:20 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
3.3
remediation
7.7
relevance
0.2
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.