Relative Path Traversal Vulnerability in Remote Desktop Client by Microsoft
CVE-2025-26645

8.8HIGH

Key Information:

Vendor

Microsoft
Status
Windows App Client For Windows Desktop
Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (server Core Installation)
Vendor
CVE Published:
11 March 2025

What is CVE-2025-26645?

A relative path traversal vulnerability in Microsoft's Remote Desktop Client could enable an unauthorized attacker to execute arbitrary code over a network. By exploiting this flaw, attackers may manipulate file paths to gain unauthorized access to sensitive system files, resulting in potential network compromise.

Affected Version(s)

Remote Desktop client for Windows Desktop Unknown 1.2.0.0 < 1.2.6017.0

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.20947

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.7876

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-26645 : Relative Path Traversal Vulnerability in Remote Desktop Client by Microsoft