CVE-2025-50174: Windows Device Association Broker Service Elevation of Privilege Vulnerability

Overview

Severity
High (CVSS 7)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Category
Elevation of Privilege
Exploit Status
Not Exploited
Exploitation Likelihood
Less Likely
Patch Tuesday
2025-Oct
Released
2025-10-14
EPSS Score
0.04% (percentile: 12.0%)

Description

Use after free in Windows Device Association Broker service allows an authorized attacker to elevate privileges locally.

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. What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker could use this vulnerability to elevate privileges from Medium Integrity Level to Local Service.

Affected Products (6)

Windows

  • Windows 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows Server 2025 (Server Core installation)
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows Server 2025

Security Updates (1)

Acknowledgments

<a href="https://linkedin.com/in/jongseongkim">Jongseong Kim (nevul37)</a> with <a href="https://www.enki.co.kr/">Ajou University, and working at ENKI WhiteHat</a>, <a href="https://linkedin.com/in/kdj-abysslab">Dongjun Kim (smlijun)</a> with <a href="https://www.enki.co.kr/">Ajou University, and working at ENKI WhiteHat</a>, Anonymous

Revision History

  • 2025-10-14: Information published.