This indicates an attack attempt against a memory-corruption vulnerability in Microsoft Word.
The vulnerability is caused by an error when the vulnerable software handles a crafted Word document file with a malformed record value. It allows a remote attacker to execute arbitrary code via sending a crafted Word file.
Microsoft Office Word 2000 Service Pack 3
Microsoft Office Word 2002 Service Pack 3
Microsoft Office Word 2003 Service Pack 3
Microsoft Office Word 2007
Microsoft Office Word 2007 Service Pack 1
Microsoft Office Word Viewer 2003
Microsoft Office Word Viewer 2003 Service Pack 3
Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats
Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 1
Microsoft Works 8.5
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the patch supplied by the vendor: