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MSRC compact vulnerability detail

CVE-2025-58729 · Windows Local Session Manager (LSM) Denial of Service Vulnerability

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

Severity
Important
Impact
Denial of Service
CVSS
6.5 base · 5.7 temporal
Release
2025-10-14
Signals
Windows Local Session Manager (LSM) Denial of Service Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-1287: Improper Validation of Specified Type of Input
Patch Diff
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Description
Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
FAQ / Articles
Windows Local Session Manager (LSM) Denial of Service Vulnerability
Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.