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CVE-2025-59257

6.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · microsoftNVD modified 2026-10-18 21:10

Affected (CPE criteria) 4

  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

References 1