Improper input validation in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.
History

Fri, 13 Feb 2026 18:45:00 +0000

Type Values Removed Values Added
Title Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability Windows Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability

Wed, 19 Nov 2025 23:45:00 +0000

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

Mon, 22 Sep 2025 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 11 24h2
CPEs cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows 11 24h2

Mon, 15 Sep 2025 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
Microsoft windows 11
Microsoft windows Server
Microsoft windows Server 2025
Vendors & Products Microsoft
Microsoft windows
Microsoft windows 11
Microsoft windows Server
Microsoft windows Server 2025

Tue, 09 Sep 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 09 Sep 2025 17:15:00 +0000

Type Values Removed Values Added
Description Improper input validation in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.
Title Local Security Authority Subsystem Service (LSASS) Denial of Service Vulnerability
Weaknesses CWE-20
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-02-13T18:40:54.995Z

Reserved: 2025-07-09T13:40:07.628Z

Link: CVE-2025-53809

cve-icon Vulnrichment

Updated: 2025-09-09T18:00:32.637Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-09T17:15:52.163

Modified: 2025-09-22T17:12:18.433

Link: CVE-2025-53809

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-15T10:44:04Z