CVE-1999-0227: Microsoft Windows Nt

Medium severity, CVSS 5.0. EPSS: 5% chance of exploitation in the next 30 days.

Access violation in LSASS.EXE (LSA/LSARPC) program in Windows NT allows a denial of service.

Affected products

• Microsoft Windows Nt: version 4.0 only

Published 1997-06-01. Last modified 2026-06-16.