SB2025101580 - Improper Authentication in Microsoft Windows Remote Desktop Protocol
Published: October 15, 2025
Security Bulletin ID
SB2025101580
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authentication (CVE-ID: CVE-2025-55340)
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests in Windows Remote Desktop Protocol. A local user can bypass authentication process and gain unauthorized access to the application.
Remediation
Install update from vendor's website.