CVE-2025-55229HighCVSS 5.3

Windows Certificate Spoofing Vulnerability

Published
August 21, 2025
Last Modified
—

🔗 CVE IDs covered (1)

📋 Description

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

🎯 Affected products27

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows Server 2025
  • Windows Server 2025 (Server Core installation)

✅ Remediation

KB5058392 (Security Update) — fixed build 10.0.17763.7314 KB5058385 (Security Update) — fixed build 10.0.20348.3692 KB5058500 (SecurityHotpatchUpdate) — fixed build 10.0.20348.3630 KB5058379 (Security Update) — fixed build 10.0.19044.5854 KB5058405 (Security Update) — fixed build 10.0.22621.5335 KB5058379 (Security Update) — fixed build 10.0.19045.5854 KB5058411 (Security Update) — fixed build 10.0.26100.4061 KB5058405 (Security Update) — fixed build 10.0.22631.5335 KB5058384 (Security Update) — fixed build 10.0.25398.1611 KB5058387 (Security Update) — fixed build 10.0.10240.21014 KB5058383 (Security Update) — fixed build 10.0.14393.8066

🔗 References (19)