CVE-1999-0995
Windows NT Local Security Authority (LSA) allows remote attackers to cause a denial of service...
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."
Exploit likelihood
What each source reports
NVD Score used
7.8
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."
- Record
CVE-1999-0995- 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
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."
- Record
CVE-1999-0995- Updated
- 2026-11-02
EUVDEUVD-1999-0976 No score
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."
- Record
EUVD-1999-0976- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m7p3-89hq-9rch No score
Windows NT Local Security Authority (LSA) allows remote attackers to cause a denial of service...
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."
- Record
GHSA-m7p3-89hq-9rch- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-0995 is a high vulnerability (CVSS 7.8) in Microsoft Windows Nt, published December 16, 1999. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 21.8%, the 97th percentile. No source names a fixed version.