SB2025101485 - Privilege escalation in Microsoft Windows SMB Server
Published: October 14, 2025
Security Bulletin ID
SB2025101485
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2025-58726)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in Windows SMB Server. A remote user can bypass implemented security restrictions and gain elevated privileges on the target system.
Remediation
Install update from vendor's website.