CVE-2025-59287CriticalCVSS 9.8

Windows Server Update Service (WSUS) Remote Code Execution Vulnerability

Published
October 14, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2025-59287 →

📋 Description

Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

🎯 Affected products13

  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • 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

KB5070883 (Security Update) — fixed build 10.0.17763.7922 KB5070884 (Security Update) — fixed build 10.0.20348.4297 KB5070892 (Standalone Security Update) — fixed build 10.0.20348.4297 KB5070881 (Security Update) — fixed build 10.0.26100.6905 KB5070893 (Standalone Security Update) — fixed build 10.0.26100.6905 KB5070879 (Security Update) — fixed build 10.0.25398.1916 KB5070882 (Security Update) — fixed build 10.0.14393.8524 KB5070887 (Security Update) — fixed build 6.2.9200.25728 KB5070886 (Security Update) — fixed build 6.3.9600.22826

🔗 References (17)