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Δ / VULNERABILITY RECORD

CVE-2025-59284.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSLOW / 3.3No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Oct 14, 2025

Disclosure summary

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

Source-reported weakness categories

CWE-200

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2025-Oct

Open original source · Updated Oct 14, 2025

Windows NTLM Spoofing Vulnerability

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 3.3

VendorProduct / associationVersion / bounds
Microsoft update guideWindows 11 Version 22H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 22H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows Server 2025 (Server Core installation) (MSRC status code 3)
Microsoft update guideWindows 11 Version 25H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 25H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 23H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 23H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 24H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 24H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows Server 2025 (MSRC status code 3)

Vendor remediation references

  • 5066793 · build 10.0.22621.6060 · product IDs 12085, 12086
  • Vendor guidance · product IDs 12085, 12086
  • 5066835 · build 10.0.26100.6899 · product IDs 12437, 12389, 12390, 12436
  • Vendor guidance · product IDs 12437, 12389, 12390, 12436
  • 5066835 · product IDs 12437, 20437, 20438, 12389, 12390, 12436
  • 5066835 · build 10.0.26200.6899 · product IDs 20437, 20438
  • Vendor guidance · product IDs 20437, 20438
  • 5066793 · build 10.0.22631.6060 · product IDs 12242, 12243
  • Vendor guidance · product IDs 12242, 12243

Original records & references

PUBLISHED 2025-10-14T03:00:00-04:00
MODIFIED 2025-10-14T03:00:00-04:00
INGESTED 2026-10-08T12:45:32-04:00