What is the severity of CVE-2025-21174?

CVE-2025-21174 is rated as a critical vulnerability due to its potential for causing denial of service over a network.

How do I fix CVE-2025-21174?

To fix CVE-2025-21174, apply the latest security updates from Microsoft specific to your affected Windows Server version.

What versions of Windows Server are affected by CVE-2025-21174?

CVE-2025-21174 affects Windows Server 2012 R2, 2016, 2019, 2022, and 2025.

Can CVE-2025-21174 be exploited remotely?

Yes, CVE-2025-21174 can be exploited by unauthorized attackers over the network.

What types of attacks can CVE-2025-21174 facilitate?

CVE-2025-21174 can allow attackers to disrupt services, leading to denial of service conditions on affected systems.

Vulnerability/
CVE-2025-21174

high

7.5

CWE

400

8/4/2025

16/4/2025

CVE-2025-21174: Windows Standards-Based Storage Management Service Denial of Service Vulnerability

First published: Tue Apr 08 2025(Updated: )

<p>Uncontrolled resource consumption in Windows Standards-Based Storage Management Service allows an unauthorized attacker to deny service over a network.</p>

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Windows Server 2025		fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2019		fix available externally
Microsoft Windows Server 2016		fix available externally
Microsoft Windows Server 2022		fix available externally
Microsoft Windows Server 2022		fix available externally
Microsoft Windows Server 2025		fix available externally
Microsoft Windows Server 2012 R2		fix available externally
Microsoft Windows Server 2012 R2		fix available externally

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Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21174 (Advisory)

Frequently Asked Questions

What is the severity of CVE-2025-21174?
CVE-2025-21174 is rated as a critical vulnerability due to its potential for causing denial of service over a network.
How do I fix CVE-2025-21174?
To fix CVE-2025-21174, apply the latest security updates from Microsoft specific to your affected Windows Server version.
What versions of Windows Server are affected by CVE-2025-21174?
CVE-2025-21174 affects Windows Server 2012 R2, 2016, 2019, 2022, and 2025.
Can CVE-2025-21174 be exploited remotely?
Yes, CVE-2025-21174 can be exploited by unauthorized attackers over the network.
What types of attacks can CVE-2025-21174 facilitate?
CVE-2025-21174 can allow attackers to disrupt services, leading to denial of service conditions on affected systems.

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