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Vulnerability record · CVE-1999-1234 · published 26 October 1999

CVE-1999-1234: Microsoft windows nt vulnerability

Microsoft · Windows Nt

LSA (LSASS.EXE) in Windows NT 4.0 allows remote attackers to cause a denial of service via a NULL policy handle in a call to (1) SamrOpenDomain, (2) SamrEnumDomainUsers, and (3) SamrQueryDomainInfo.

5.0 CVSS 2.0 Medium EPSS 13% · top 3.7%
5.0CVSS 2.0 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

LSA (LSASS.EXE) in Windows NT 4.0 allows remote attackers to cause a denial of service via a NULL policy handle in a call to (1) SamrOpenDomain, (2) SamrEnumDomainUsers, and (3) SamrQueryDomainInfo.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://marc.info/?l=ntbugtraq&m=94096671308565&w=2
https://exchange.xforce.ibmcloud.com/vulnerabilities/3293
http://marc.info/?l=ntbugtraq&m=94096671308565&w=2
https://exchange.xforce.ibmcloud.com/vulnerabilities/3293

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-1999-1234), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.