CVE-1999-1361: Microsoft Windows Nt

Medium severity, CVSS 6.4. EPSS: 8.6% chance of exploitation in the next 30 days.

Windows NT 3.51 and 4.0 running WINS (Windows Internet Name Service) allows remote attackers to cause a denial of service (resource exhaustion) via a flood of malformed packets, which causes the server to slow down and fill the event logs with error messages.

Affected products

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

Published 1998-05-09. Last modified 2026-06-16.