CVE-1999-0376: Microsoft Windows Nt

Medium severity, CVSS 4.6. EPSS: 2.4% chance of exploitation in the next 30 days.

Local users in Windows NT can obtain administrator privileges by changing the KnownDLLs list to reference malicious programs.

Affected products

• Microsoft Windows Nt: version 3.5.1 only; version 4.0 only

Published 1999-02-20. Last modified 2026-06-16.