CVE-1999-0721
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
Exploit likelihood
What each source reports
NVD Score used
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
- Record
CVE-1999-0721- CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
- Record
CVE-1999-0721- Updated
- 2026-11-02
EUVDEUVD-1999-0702 No score
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
- Record
EUVD-1999-0702- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hr94-mwmh-6848 No score
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
- Record
GHSA-hr94-mwmh-6848- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-0721 is a high vulnerability (CVSS 7.8) in Microsoft Windows Nt, published July 20, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.46%, the 95th percentile. No source names a fixed version.
References
ciac.org/ciac/bulletins/j-049.shtml
docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-020
support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ231457
nvd.nist.gov/vuln/detail/CVE-1999-0721
github.com/advisories/GHSA-hr94-mwmh-6848