CVE-2025-55690: Windows PrintWorkflowUserSvc 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 PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
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.
Affected Products (6)
Windows
- Windows 11 Version 25H2 for x64-based Systems
- Windows 11 Version 25H2 for ARM64-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), SEC-agent team</a> with <a href="https://www.enki.co.kr/">ENKI WhiteHat</a>, Hwiwon Lee (hwiwonl), SEC-agent team
Revision History
- 2025-10-14: Information published.