CVE-2025-29831: Windows Remote Desktop Services Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Unlikely

Patch Tuesday

2025-May

Released

2025-05-13

EPSS Score

0.57% (percentile: 68.5%)

Description

Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

FAQ

How could an attacker exploit this vulnerability? An attacker could successfully exploit this vulnerability by attempting to connect to a system with the Remote Desktop Gateway role, triggering the race condition to create a use-after-free scenario, and then leveraging this to execute arbitrary code. According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? Exploitation of the vulnerability requires an admin user to stop or restart the service.

Affected Products (15)

Windows

• Windows Server 2019
• Windows Server 2019 (Server Core installation)
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows Server 2025 (Server Core installation)
• Windows Server 2022, 23H2 Edition (Server Core installation)
• Windows Server 2025
• Windows Server 2016
• Windows Server 2016 (Server Core installation)

ESU

• Windows Server 2008 R2 for x64-based Systems Service Pack 1
• Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
• Windows Server 2012
• Windows Server 2012 (Server Core installation)
• Windows Server 2012 R2
• Windows Server 2012 R2 (Server Core installation)

Security Updates (11)

• 5058392
• 5058385
• 5058500
• 5058411
• 5058497
• 5058384
• 5058383
• 5058430
• 5058454
• 5058451
• 5058403

Acknowledgments

ʌ!ɔ⊥ojv with Kunlun Lab

Revision History

• 2025-05-13: Information published.