CVE-2005-1980: Microsoft Windows 2000

Medium severity, CVSS 5.0. EPSS: 33.3% chance of exploitation in the next 30 days.

Distributed Transaction Controller in Microsoft Windows allows remote servers to cause a denial of service (MSDTC service hang) via a crafted Transaction Internet Protocol (TIP) message that causes DTC to repeatedly connect to a target IP and port number after an error occurs, aka the "Distributed TIP Vulnerability."

Affected products

• Microsoft Windows 2000: any version
• Microsoft Windows 2003 Server: version 64-bit only; version itanium only; version r2 only; version sp1 only
• Microsoft Windows XP: any version

Published 2005-10-12. Last modified 2026-06-16.