Description
Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
Published: 2025-10-14
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

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History

Thu, 20 Nov 2025 00:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 23h2
CPEs cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 23h2

Mon, 27 Oct 2025 22:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows
Microsoft windows 11
Microsoft windows Server
Microsoft windows Server 2022
Vendors & Products Microsoft windows
Microsoft windows 11
Microsoft windows Server
Microsoft windows Server 2022

Mon, 20 Oct 2025 20:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2022 23h2
Microsoft windows Server 2025
CPEs 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:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2022 23h2
Microsoft windows Server 2025

Tue, 14 Oct 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 14 Oct 2025 17:15:00 +0000

Type Values Removed Values Added
Description Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
Title Windows Local Session Manager (LSM) Denial of Service Vulnerability
Weaknesses CWE-1287
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Windows Windows 11 Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 Windows 11 25h2 Windows Server Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025 Windows Server 23h2
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-02-22T17:24:52.363Z

Reserved: 2025-09-11T04:30:28.171Z

Link: CVE-2025-59257

cve-icon Vulnrichment

Updated: 2025-10-14T19:18:43.831Z

cve-icon NVD

Status : Analyzed

Published: 2025-10-14T17:16:08.280

Modified: 2025-10-20T19:49:05.413

Link: CVE-2025-59257

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-27T22:13:46Z

Weaknesses