SB2025070839 - Remote code execution in Microsoft Remote Desktop Client 



SB2025070839 - Remote code execution in Microsoft Remote Desktop Client

Published: July 8, 2025

Security Bulletin ID SB2025070839
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Path traversal (CVE-ID: CVE-2025-48817)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in Remote Desktop Clien. A remote attacker can trick a victim to connect to a malicious server and write arbitrary files on the system, leading to arbitrary code execution.


Remediation

Install update from vendor's website.