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MEDIUM · 5.3

CVE-2025-55229

Improper verification of cryptographic signature in Windows Certificates allows an unauthorized attacker to perform spoofing over a network.

Vulnerability Description

Improper verification of cryptographic signature in Windows Certificates allows an unauthorized attacker to perform spoofing over a network.

CVSS Score

5.3

MEDIUM

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

Affected Products

VendorProductVersions
MicrosoftWindows 10 1507< 10.0.10240.21014
MicrosoftWindows 10 1607< 10.0.14393.8066
MicrosoftWindows 10 1809< 10.0.17763.7314
MicrosoftWindows 10 21H2< 10.0.19044.5854
MicrosoftWindows 10 22H2< 10.0.19045.5854
MicrosoftWindows 11 22H2< 10.0.22621.5335
MicrosoftWindows 11 23H2< 10.0.22631.5335
MicrosoftWindows 11 24H2< 10.0.26100.4061
MicrosoftWindows Server 2016< 10.0.14393.8066
MicrosoftWindows Server 2019< 10.0.17763.7314
MicrosoftWindows Server 2022< 10.0.20348.3630
MicrosoftWindows Server 2022 23H2< 10.0.25398.1611
MicrosoftWindows Server 2025< 10.0.26100.4061

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2025-55229?

CVE-2025-55229 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Improper verification of cryptographic signature in Windows Certificates allows an unauthorized attacker to perform spoofing over a network.

How severe is CVE-2025-55229?

CVE-2025-55229 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-55229?

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.