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Vulnerability · Published May 13, 2025 · Assigned by microsoft

CVE-2025-29966Remote Desktop Client Remote Code Execution Vulnerability

High 8.8

In plain English

A high-severity heap buffer overflow in Remote Desktop client for Windows Desktop from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.4%top 26.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Microsoft Remote Desktop client for Windows Desktop 1.2.0.0 – before 1.2.6228.0
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.21014
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.8066
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.7314
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.5854
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.5854
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.5335
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.5335
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.5335
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.4061
Microsoft Windows App Client for Windows Desktop 1.00 – before 2.0.420
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.27729
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.27729
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.25475
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.25475
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.22577
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.22577
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.8066
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.8066
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.7314
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.7314
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.3692
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.1611
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.4061
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.4061

Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References