CVE-1999-0995

N/A Unknown

Published: December 16, 1999 Modified: April 16, 2026

Description

Windows NT Local Security Authority (LSA) allows remote attackers to cause a denial of service via malformed arguments to the LsaLookupSids function which looks up the SID, aka "Malformed Security Identifier Request."

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ248185

Source: cve@mitre.org

http://www.securityfocus.com/bid/875

Source: cve@mitre.org

https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-057

Source: cve@mitre.org

http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ248185

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securityfocus.com/bid/875

Source: af854a3a-2127-422b-91ae-364da2661108

https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-057

Source: af854a3a-2127-422b-91ae-364da2661108

6 reference(s) from NVD

Quick Stats

CVSS v3 Score

N/A / 10.0

EPSS (Exploit Probability)

27.9%

96th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

microsoft

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