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MEDIUM · 5.9

CVE-2025-21350

Windows Kerberos Denial of Service Vulnerability

Vulnerability Description

Windows Kerberos Denial of Service Vulnerability

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 10 1507< 10.0.10240.20915
MicrosoftWindows 10 1607< 10.0.14393.7785
MicrosoftWindows 10 1809< 10.0.17763.6893
MicrosoftWindows 10 21H2< 10.0.19044.5487
MicrosoftWindows 10 22H2< 10.0.19045.5487
MicrosoftWindows 11 22H2< 10.0.22621.4890
MicrosoftWindows 11 23H2< 10.0.22631.4890
MicrosoftWindows 11 24H2< 10.0.26100.3194
MicrosoftWindows Server 2008-
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016< 10.0.14393.7785
MicrosoftWindows Server 2019< 10.0.17763.6893
MicrosoftWindows Server 2022< 10.0.20348.3207
MicrosoftWindows Server 2022 23H2< 10.0.25398.1425
MicrosoftWindows Server 2025< 10.0.26100.3194

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2025-21350?

CVE-2025-21350 is a vulnerability with a CVSS score of 5.9 (MEDIUM). Windows Kerberos Denial of Service Vulnerability

How severe is CVE-2025-21350?

CVE-2025-21350 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-21350?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2.