CVE-2025-59284HighCVSS 3.3

Windows NTLM Spoofing Vulnerability

Published
October 14, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2025-59284 →

📋 Description

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

🎯 Affected products10

  • 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 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows Server 2025
  • Windows Server 2025 (Server Core installation)

✅ Remediation

KB5066793 (Security Update) — fixed build 10.0.22621.6060 KB5066835 (Security Update) — fixed build 10.0.26100.6899 KB5066835 (Security Update) — fixed build 10.0.26200.6899 KB5066793 (Security Update) — fixed build 10.0.22631.6060

🔗 References (5)