CVE-1999-0995: Windows NT Local Security Authority (LSA) allows remote attackers to cause a denial of service via malformed arguments t

Published n/a Updated 2026-08-21T04:30:52.266Z

Summary

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."

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:52.266Z · Confidence: high

Impact

Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.

Affected Software

Fix

Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.

References