CVE-2025-21174: Windows Standards-Based Storage Management Service Denial of Service Vulnerability
This Microsoft advisory covers CVE-2025-21174 in Windows Server 2012 R2 (Server Core installation), Windows Server 2016 (Server Core installation) and Windows Server 2019 (Server Core installation).
- CVE-2025-21174
Key facts
- Vendor rating
- High, CVSS 7.5
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Windows Server 2012 R2 6.3.9600.0 before 6.3.9600.22523; Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 before 6.3.9600.22523; Windows Server 2016 10.0.14393.0 before 10.0.14393.7969 and 6 more below
- Fixed in
- 6.3.9600.22523, 10.0.14393.7969, 10.0.17763.7136 and 2 more below
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network.
Affected products named by the advisory: Windows Server 2012 R2; Windows Server 2012 R2 (Server Core installation); Windows Server 2016; Windows Server 2016 (Server Core installation); and 5 more.
Affected products named by the advisory: Windows Server 2019 (Server Core installation); Windows Server 2022; Windows Server 2025 (Server Core installation).
Text from the source record.
- Windows Server 2012 R2 6.3.9600.0 before 6.3.9600.22523
- Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 before 6.3.9600.22523
- Windows Server 2016 10.0.14393.0 before 10.0.14393.7969
- Windows Server 2016 (Server Core installation) 10.0.14393.0 before 10.0.14393.7969
- Windows Server 2019 10.0.17763.0 before 10.0.17763.7136
- Windows Server 2019 (Server Core installation) 10.0.17763.0 before 10.0.17763.7136
- Windows Server 2022 10.0.20348.0 before 10.0.20348.3453
- Windows Server 2025 10.0.26100.0 before 10.0.26100.3775
- Windows Server 2025 (Server Core installation) 10.0.26100.0 before 10.0.26100.3775
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2025-21174
Upgrade to a fixed release named by Microsoft:
- 6.3.9600.22523
- 10.0.14393.7969
- 10.0.17763.7136
- 10.0.20348.3453
- 10.0.26100.3775
End-of-life dates for Windows Server
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