CVE-2011-1984: Microsoft Windows 2003 Server

High severity, CVSS 7.2. EPSS: 7.5% chance of exploitation in the next 30 days.

WINS in Microsoft Windows Server 2003 SP2 and Server 2008 SP2, R2, and R2 SP1 allows local users to gain privileges by sending crafted packets over the loopback interface, aka "WINS Local Elevation of Privilege Vulnerability."

Affected products

  • Microsoft Windows 2003 Server: any version
  • Microsoft Windows Server 2003: any version
  • Microsoft Windows Server 2008: any version; version r2 only

Published 2011-09-15. Last modified 2026-06-16.