CVE-1999-0227
CVE-1999-0227 is a medium-severity vulnerability in Microsoft Windows Nt with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-264
- Affected product: Microsoft Windows Nt
- Published:
- Last modified:
Description
Access violation in LSASS.EXE (LSA/LSARPC) program in Windows NT allows a denial of service.
Frequently asked questions
- What is CVE-1999-0227?
- Access violation in LSASS.EXE (LSA/LSARPC) program in Windows NT allows a denial of service.
- How severe is CVE-1999-0227?
- CVE-1999-0227 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-1999-0227 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-1999-0227?
- CVE-1999-0227 affects Microsoft Windows Nt. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-1999-0227?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-1999-0227 published?
- CVE-1999-0227 was published on 1997-06-01 and last updated on 2026-06-16.
References
Affected products (1)
- cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*
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