CVE-2025-55229CWE-347

Windows Certificate Spoofing Vulnerability

Medium · published August 21, 2025

CVSS v3.1
5.3
EPSS
1%
Percentile
42.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00505 · 42.3th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2025-08-21T19:50Z
EPSS history
Timeline
  • 21 AUG 19:50Z
    Windows Certificate Spoofing Vulnerability
    cvelistv5