CVE-2005-1979: Microsoft Windows 2000

Medium severity, CVSS 5.0. EPSS: 32.8% 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 exception and exit) via an "unexpected protocol command during the reconnection request," which is not properly handled by the Transaction Internet Protocol (TIP) functionality.

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.