CVE-2001-0016: Microsoft Windows Nt

High severity, CVSS 7.2. EPSS: 2.1% chance of exploitation in the next 30 days.

NTLM Security Support Provider (NTLMSSP) service does not properly check the function number in an LPC request, which could allow local users to gain administrator level access.

Affected products

• Microsoft Windows Nt: up to and including 4.0

Published 2001-03-12. Last modified 2026-06-16.