CVE-2025-59259

MEDIUM

Windows Local Session Manager - DoS

Title source: llm

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

CVSS v3 6.5

EPSS 0.0037

EPSS Percentile 58.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-1287

Status published

microsoft/windows_10_1507 < 10.0.10240.21161

microsoft/windows_10_1607 < 10.0.14393.8519

microsoft/windows_10_1809 < 10.0.17763.7919

microsoft/windows_10_21h2 < 10.0.19044.6456

microsoft/windows_10_22h2 < 10.0.19045.6456

microsoft/windows_11_22h2 < 10.0.22621.6060

microsoft/windows_11_23h2 < 10.0.22631.6060

microsoft/windows_11_24h2 < 10.0.26100.6899

microsoft/windows_11_25h2 < 10.0.26200.6899

microsoft/windows_server_2012

microsoft/windows_server_2016 < 10.0.14393.8519

... and 4 more

Published Oct 14, 2025

Tracked Since Feb 18, 2026