CVE-2025-55229 Details
Description
Improper verification of cryptographic signature in Windows Certificates allows an unauthorized attacker to perform spoofing over a network.
A spoofing vulnerability has been identified in Windows Certificates due to improper verification of cryptographic signatures. This issue allows an unauthorized attacker to perform spoofing over a network. The vulnerability affects multiple Windows versions, including Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.
Users can apply the security updates provided by Microsoft. These security updates can be downloaded via the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5065425, KB5065426, KB5065427, KB5065428, KB5065429, and KB5065430.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 22, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55229 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-347 | Improper Verification of Cryptographic Signature | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1507 | < 10.0.10240.21014 |
CPE
Remediation
| |
| microsoft windows 10 1607 | < 10.0.14393.8066 |
CPE
Remediation
| |
| microsoft windows 10 1809 | < 10.0.17763.7314 |
CPE
Remediation
| |
| microsoft windows 10 21h2 | < 10.0.19044.5854 |
CPE
Remediation
| |
| microsoft windows 10 22h2 | < 10.0.19045.5854 |
CPE
Remediation
| |
| microsoft windows 11 22h2 | < 10.0.22621.5335 |
CPE
Remediation
| |
| microsoft windows 11 23h2 | < 10.0.22631.5335 |
CPE
Remediation
| |
| microsoft windows 11 24h2 | < 10.0.26100.4061 |
CPE
Remediation
| |
| microsoft windows server 2016 | < 10.0.14393.8066 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.7314 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.3630 |
CPE
Remediation
| |
| microsoft windows server 2022 23h2 | < 10.0.25398.1611 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.4061 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Sep 30, 2025 | Reanalysis | [email protected] |
| Sep 30, 2025 | Modified Analysis | [email protected] |
| Aug 25, 2025 | Initial Analysis | [email protected] |
| Aug 21, 2025 | New CVE Received | [email protected] |