High MSRC-CVE-2025-58729 1 CVE

Windows Local Session Manager (LSM) Denial of Service Vulnerability

Published Oct 14, 2025 · Updated Oct 14, 2025

Vendor: Microsoft

Summary

Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

Security updates
10.0.26200.6899 — https://support.microsoft.com/help/5066835
10.0.17763.7919 — https://support.microsoft.com/help/5066586
10.0.20348.4294 — https://support.microsoft.com/help/5066782
10.0.19044.6456 — https://support.microsoft.com/help/5066791
10.0.22621.6060 — https://support.microsoft.com/help/5066793
10.0.25398.1913 — https://support.microsoft.com/help/5066780
10.0.10240.21161 — https://support.microsoft.com/help/5066837
10.0.14393.8519 — https://support.microsoft.com/help/5066836
6.0.6003.23571 — https://support.microsoft.com/help/5066874
6.0.6003.23571 — https://support.microsoft.com/help/5066877
6.1.7601.27974 — https://support.microsoft.com/help/5066872
6.1.7601.27974 — https://support.microsoft.com/help/5066876
6.2.9200.25722 — https://support.microsoft.com/help/5066875
6.3.9600.22824 — https://support.microsoft.com/help/5066873

Vulnerabilities 1

Medium 6.5

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.

Microsoft Windows Server 2019 Windows Server 2019 (Server Core installation) Windows 10 Version 1809 Windows

Oct 14, 2025

Revision history

2025-10-14 #1
Information published.

References

CVE-2025-58729 Windows Local Session Manager (LSM) Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-58729
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss