CVE-2009-1544: Microsoft Windows 2003 Server

High severity, CVSS 8.8. EPSS: 20.6% chance of exploitation in the next 30 days.

Double free vulnerability in the Workstation service in Microsoft Windows allows remote authenticated users to gain privileges via a crafted RPC message to a Windows XP SP2 or SP3 or Server 2003 SP2 system, or cause a denial of service via a crafted RPC message to a Vista Gold, SP1, or SP2 or Server 2008 Gold or SP2 system, aka "Workstation Service Memory Corruption Vulnerability."

Affected products

• Microsoft Windows 2003 Server: version sp2 only
• Microsoft Windows Server 2008: any version; affected versions not specified
• Microsoft Windows Vista: any version; affected versions not specified
• Microsoft Windows XP: any version; affected versions not specified

Published 2009-08-12. Last modified 2026-06-16.