Microsoft Office Excel 2000 SP3 2002 SP3 2003 SP3 and 2007 Gold and SP1; Excel Viewer 2003 Gold and SP3; Excel Viewer; Office Compatibility Pack for Word Excel and PowerPoint 2007 File Formats Gold and SP1; Office 2004 and 2008 for Mac; and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code via a crafted Excel spreadsheet that contains a malformed formula which triggers \pointer corruption\ during the loading of formulas from this spreadsheet aka \File Format Parsing Vulnerability.\