CVE-1999-0819: Microsoft Windows 2000

Medium severity, CVSS 5.0. EPSS: 14.8% chance of exploitation in the next 30 days.

NTMail does not disable the VRFY command, even if the administrator has explicitly disabled it.

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows Nt: version 4.0 only

Published 1999-12-01. Last modified 2026-06-16.