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

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Windows 11 Subscribe
Windows 11 24h2 Subscribe
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Windows Server 2022 Subscribe
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Fixes

Solution

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Workaround

No workaround given by the vendor.

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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-02-13T23:12:00.187Z

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