CVE-1999-0723: Microsoft Windows 2000

High severity, CVSS 7.1. EPSS: 7.3% chance of exploitation in the next 30 days.

The Windows NT Client Server Runtime Subsystem (CSRSS) can be subjected to a denial of service when all worker threads are waiting for user input.

Affected products

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

Published 1999-06-23. Last modified 2026-06-16.