What is the severity of CVE-2025-21313?

CVE-2025-21313 is classified as a denial of service vulnerability affecting Windows Security Account Manager.

How do I fix CVE-2025-21313?

To mitigate CVE-2025-21313, apply the security patches available from Microsoft for affected Windows versions.

Which versions of Windows are affected by CVE-2025-21313?

CVE-2025-21313 impacts Windows Server 2025 and Windows 11 version 24H2 among other configurations.

What are the potential impacts of CVE-2025-21313?

The vulnerability can lead to a denial of service, preventing legitimate users from accessing the security account manager.

Is there a patch available for CVE-2025-21313?

Yes, Microsoft has released patches to address CVE-2025-21313 which should be applied promptly.

Vulnerability/
CVE-2025-21313

medium

6.5

CWE

833

EPSS

0.044%

14/1/2025

2/4/2025

CVE-2025-21313: Windows Security Account Manager (SAM) Denial of Service Vulnerability

First published: Tue Jan 14 2025(Updated: 1 week ago)

Windows Security Account Manager (SAM) Denial of Service Vulnerability

Credit: secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Windows Server 2025		fix available externally
Microsoft Windows Server 2025		fix available externally
Microsoft Windows Server 2022 23H2		fix available externally
Windows 11	=24H2	fix available externally
Windows 11	=24H2	fix available externally
Windows 11	<10.0.26100.2894
Microsoft Windows Server 2022	<10.0.25398.1369
Microsoft Windows Server 2025	<10.0.26100.2894

Never miss a vulnerability like this again

Reference Links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21313 (Advisory)

Frequently Asked Questions

What is the severity of CVE-2025-21313?
CVE-2025-21313 is classified as a denial of service vulnerability affecting Windows Security Account Manager.
How do I fix CVE-2025-21313?
To mitigate CVE-2025-21313, apply the security patches available from Microsoft for affected Windows versions.
Which versions of Windows are affected by CVE-2025-21313?
CVE-2025-21313 impacts Windows Server 2025 and Windows 11 version 24H2 among other configurations.
What are the potential impacts of CVE-2025-21313?
The vulnerability can lead to a denial of service, preventing legitimate users from accessing the security account manager.
Is there a patch available for CVE-2025-21313?
Yes, Microsoft has released patches to address CVE-2025-21313 which should be applied promptly.

collector/msrc-cve
source/Microsoft
agent/software-canonical-lookup
agent/references
agent/title
agent/description
agent/first-publish-date
agent/type
collector/msrc
agent/author
agent/severity
agent/weakness
agent/source
collector/epss-latest
source/FIRST
agent/epss
agent/software-canonical-lookup-request
agent/event
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/tags
collector/nvd-api
source/NVD
agent/softwarecombine
vendor/microsoft
canonical/microsoft windows server 2025
canonical/microsoft windows server 2022 23h2
canonical/windows 11
version/windows 11/24h2
canonical/microsoft windows server 2022

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.