CVE-1999-1593: Microsoft Windows 2000

High severity, CVSS 7.6. EPSS: 18.1% chance of exploitation in the next 30 days.

Windows Internet Naming Service (WINS) allows remote attackers to cause a denial of service (connectivity loss) or steal credentials via a 1Ch registration that causes WINS to change the domain controller to point to a malicious server. NOTE: this problem may be limited when Windows 95/98 clients are used, or if the primary domain controller becomes unavailable.

Affected products

• Microsoft Windows 2000: affected versions not specified
• Microsoft Windows 95: affected versions not specified
• Microsoft Windows 98: affected versions not specified

Published 2009-01-15. Last modified 2026-06-16.