CVE-2025-55229
MEDIUMCVSS 5.3/10EPSS 0.45%
Last modified
CVE-2025-55229 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Improper verification of cryptographic signature in Windows Certificates allows an unauthorized attacker to perform spoofing over a network.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.
Description
Improper verification of cryptographic signature in Windows Certificates allows an unauthorized attacker to perform spoofing over a network.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1507 | < 10.0.10240.21014 |
| Microsoft | Windows 10 1607 | < 10.0.14393.8066 |
| Microsoft | Windows 10 1809 | < 10.0.17763.7314 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.5854 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.5854 |
| Microsoft | Windows 11 22h2 | < 10.0.22621.5335 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.5335 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.4061 |
| Microsoft | Windows Server 2016 | < 10.0.14393.8066 |
| Microsoft | Windows Server 2019 | < 10.0.17763.7314 |
| Microsoft | Windows Server 2022 | < 10.0.20348.3630 |
| Microsoft | Windows Server 2022 23h2 | < 10.0.25398.1611 |
| Microsoft | Windows Server 2025 | < 10.0.26100.4061 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-55229?
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 a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2025-55229?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2025-55229?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST