CVE-1999-0721: Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
Summary
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
Severity
UNKNOWN
Source Attribution
Source: NVD · Updated: 2026-08-21T04:30:47.997Z · 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
- http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ231457
- http://www.ciac.org/ciac/bulletins/j-049.shtml
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-020
- http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ231457
- http://www.ciac.org/ciac/bulletins/j-049.shtml
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-020