CVE-2025-53809
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-09-09
Last updated on: 2025-09-22
Assigner: Microsoft Corporation
Description
Description
Improper input validation in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to deny service over a network.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_11_24h2 | to 10.0.26100.6508 (exc) |
| microsoft | windows_server_2025 | to 10.0.26100.6508 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is caused by improper input validation in the Windows Local Security Authority Subsystem Service (LSASS). It allows an authorized attacker to cause a denial of service over a network.
How can this vulnerability impact me? :
An attacker with authorized access can exploit this vulnerability to cause a denial of service, potentially disrupting system availability and preventing legitimate users from accessing services.
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