This indicates an attack attempt against an Insecure DLL Loading Path vulnerability in Microsoft Visio.
The vulnerability occurs when Microsoft Visio 2003 uses the insecure Windows DLL load order to load certain libraries. It could be exploited by remote attackers to execute arbitrary code.
Microsoft Visio 2003 SP3.
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.