Cryptographic Signature Spoofing in Windows by Microsoft
CVE-2025-55229

5.3MEDIUM

What is CVE-2025-55229?

An improper verification of cryptographic signature vulnerability exists in Microsoft Windows, enabling an unauthorized attacker to conduct spoofing attacks over a network. This security flaw can compromise the integrity of communication, potentially allowing malicious actors to impersonate legitimate users or devices.

Affected Version(s)

Windows 10 Version 1507 32-bit Systems 10.0.10240.0 < 10.0.10240.21122

Windows 10 Version 1607 32-bit Systems 10.0.14393.0 < 10.0.14393.8416

Windows 10 Version 1809 32-bit Systems 10.0.17763.0 < 10.0.17763.7783

References

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-55229 : Cryptographic Signature Spoofing in Windows by Microsoft