CVE-2025-21174: Windows Standards-Based Storage Management Service Denial of Service Vulnerability
Overview
- Severity
- High (CVSS 7.5)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
- Category
- Denial of Service
- Exploit Status
- Not Exploited
- Exploitation Likelihood
- Less Likely
- Patch Tuesday
- 2025-Apr
- Released
- 2025-04-08
- Last Updated
- 2025-05-30
- EPSS Score
- 35.91% (percentile: 97.1%)
Description
Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network.
Affected Products (10)
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 2025
- Windows Server 2016
- Windows Server 2016 (Server Core installation)
ESU
- Windows Server 2012 R2
- Windows Server 2012 R2 (Server Core installation)
Security Updates (5)
Acknowledgments
Microsoft SMIS Team, <a href="https://twitter.com/edwardzpeng">Zhiniang Peng</a> with HUST and wh1tc with kunlun lab
Revision History
- 2025-04-08: Information published.
- 2025-04-11: Acknowledgement added. This is an informational change only.
- 2025-05-20: Added an acknowledgement. This is an informational change only.
- 2025-05-30: In the Security Updates table, corrected the Download and Article links for Windows Server 2012 R2 and Windows Server 2012 R2 (Server Core installation). This is an informational change only.