Mar 2025: Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-26645 Published on March 11, 2025

Remote Desktop Client Remote Code Execution Vulnerability
Relative path traversal in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Vendor Advisory NVD

Weakness Types

Relative Path Traversal

The software uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This allows attackers to traverse the file system to access files or directories that are outside of the restricted directory.

What is an Authorization Vulnerability?

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2025-26645 has been classified to as an Authorization vulnerability or weakness.

Products Associated with CVE-2025-26645

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2025-26645 are published in these products:

Microsoft Windows Server 2008

Microsoft Windows Server 2019

Microsoft Windows 10 1507

Microsoft Windows 10

Microsoft Windows 11

Microsoft Windows 11 23h2

Microsoft Windows Server 2016

Microsoft Windows Server 2022

Microsoft Windows Server 2022 23h2

Microsoft Windows Server 2025

Microsoft Windows 11 24h2

Microsoft Remote Desktop

Microsoft Windows App

Microsoft Remote Desktop Client

Microsoft Windows App Client Windows Desktop

Microsoft Windows Server 23h2

Microsoft Windows Server 2008 Sp2

Microsoft Windows Server 2008 R2

Microsoft Windows Server 2012

Microsoft Windows Server 2012 R2

Affected Versions

Microsoft Remote Desktop client for Windows Desktop:

Version 1.2.0.0 and below 1.2.6017.0 is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.10240.0 and below 10.0.10240.20947 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.7876 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.7009 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19044.0 and below 10.0.19044.5608 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.5608 is affected.

Microsoft Windows 11 version 22H2:

Version 10.0.22621.0 and below 10.0.22621.5039 is affected.

Microsoft Windows 11 version 22H3:

Version 10.0.22631.0 and below 10.0.22631.5039 is affected.

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.5039 is affected.

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.3476 is affected.

Microsoft Windows App Client for Windows Desktop:

Version 1.00 and below 2.0.365.0 is affected.

Microsoft Windows Server 2008 R2 Service Pack 1:

Version 6.1.7601.0 and below 6.1.7601.27618 is affected.

Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation):

Version 6.1.7601.0 and below 6.1.7601.27618 is affected.

Microsoft Windows Server 2008 Service Pack 2:

Version 6.0.6003.0 and below 6.0.6003.23168 is affected.

Microsoft Windows Server 2008 Service Pack 2 (Server Core installation):

Version 6.0.6003.0 and below 6.0.6003.23168 is affected.

Microsoft Windows Server 2012:

Version 6.2.9200.0 and below 6.2.9200.25368 is affected.

Microsoft Windows Server 2012 (Server Core installation):

Version 6.2.9200.0 and below 6.2.9200.25368 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.9600.0 and below 6.3.9600.22470 is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.9600.0 and below 6.3.9600.22470 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.7876 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.7876 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.7009 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.7009 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.3328 is affected.

Microsoft Windows Server 2022, 23H2 Edition (Server Core installation):

Version 10.0.25398.0 and below 10.0.25398.1486 is affected.

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.3476 is affected.

Microsoft Windows Server 2025 (Server Core installation):

Version 10.0.26100.0 and below 10.0.26100.3476 is affected.

Exploit Probability

EPSS

0.32%

Percentile

54.89%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.