Stack-based buffer overflow in Microsoft Word 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; Word Viewer; Office Web Apps; and Word Web App allows remote attackers to execute arbitrary code via a crafted Word document, aka "Word Stack Overflow Vulnerability."