May 2025: Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-29966 Published on May 13, 2025

Remote Desktop Client Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.

Vendor Advisory NVD

Weakness Type

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Products Associated with CVE-2025-29966

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2025-29966 are published in these products:

Microsoft Windows Server 2008

Microsoft Windows Server 2012

Microsoft Windows Server 2016

Microsoft Windows 10 1507

Microsoft Windows 10

Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows Server 2022 23h2

Microsoft Windows Server 2025

Microsoft Windows 11

Microsoft Windows 11 23h2

Microsoft Windows 11 24h2

Microsoft Remote Desktop

Microsoft Windows App

Microsoft Windows App Client Windows Desktop

Microsoft Windows Server 23h2

Microsoft Windows Server 2008 R2

Microsoft Windows Server 2012 R2

Affected Versions

Microsoft Remote Desktop client for Windows Desktop:

Version 1.2.0.0 and below 1.2.6228.0 is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.10240.0 and below 10.0.10240.21014 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.8066 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.7314 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19044.0 and below 10.0.19044.5854 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.5854 is affected.

Microsoft Windows 11 version 22H2:

Version 10.0.22621.0 and below 10.0.22621.5335 is affected.

Microsoft Windows 11 version 22H3:

Version 10.0.22631.0 and below 10.0.22631.5335 is affected.

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.5335 is affected.

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.4061 is affected.

Microsoft Windows App Client for Windows Desktop:

Version 1.00 and below 2.0.420 is affected.

Microsoft Windows Server 2008 R2 Service Pack 1:

Version 6.1.7601.0 and below 6.1.7601.27729 is affected.

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

Version 6.1.7601.0 and below 6.1.7601.27729 is affected.

Microsoft Windows Server 2012:

Version 6.2.9200.0 and below 6.2.9200.25475 is affected.

Microsoft Windows Server 2012 (Server Core installation):

Version 6.2.9200.0 and below 6.2.9200.25475 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.9600.0 and below 6.3.9600.22577 is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.9600.0 and below 6.3.9600.22577 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.8066 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.8066 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.7314 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.7314 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.3692 is affected.

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

Version 10.0.25398.0 and below 10.0.25398.1611 is affected.

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.4061 is affected.

Microsoft Windows Server 2025 (Server Core installation):

Version 10.0.26100.0 and below 10.0.26100.4061 is affected.

Exploit Probability

EPSS

1.13%

Percentile

77.96%