CVE-1999-0721
UnknownEPSS 9.37%
Last modified
CVE-1999-0721 is a vulnerability of currently unknown severity. Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.. EPSS estimates a 9.37% chance of exploitation in the next 30 days.
Description
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Windows 2000 | All versions | — |
| Microsoft | Windows Nt | All versions | — |
| Microsoft | Windows Nt | 4.0 | Sp4 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-1999-0721?
Denial of service in Windows NT Local Security Authority (LSA) through a malformed LSA request.
How severe is CVE-1999-0721?
Severity scoring for CVE-1999-0721 is pending analysis. The EPSS model estimates a 9.37% probability of exploitation in the next 30 days.
How do I fix CVE-1999-0721?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-1999-0721?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST