CVE-2024-49119: Windows Remote Desktop Services Remote Code Execution Vulnerability

Overview

Severity

High (CVSS 8.1)

CVSS Vector

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

Category

Remote Code Execution

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2024-Dec

Released

2024-12-10

Last Updated

2025-03-19

EPSS Score

0.29% (percentile: 52.4%)

FAQ

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition. How could an attacker exploit this vulnerability? An attacker could successfully exploit this vulnerability by connecting 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.

Affected Products (9)

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)

Security Updates (7)

• 5048661
• 5048654
• 5048800
• 5048667
• 5048794
• 5048653
• 5048671

Acknowledgments

<a href="https://twitter.com/vv474172261">VictorV(Tang tianwen)</a> with <a href="https://www.cyberkl.com/">Kunlun Lab</a>, SmallerDragon, Nikolai Skliarenko with Trend Micro

Revision History

• 2024-12-10: Information published.
• 2025-03-19: Added acknowledgements. This is an informational change only.