This indicates an attack attempt to exploit a Remote Code Execution vulnerability in Microsoft Office Word.
The vulnerability is due to an error when handling objects in memory. A remote attacker could exploit this to execute arbitrary code execution within the context of the application, via a crafted file.
Microsoft SharePoint Server 2010 Service Pack 2
Microsoft Office 2010 Service Pack 2 (32-bit editions)
Microsoft Office 2010 Service Pack 2 (64-bit editions)
Microsoft Office Web Apps 2010 Service Pack 2
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.