CVE-2008-4264: Microsoft Office

High severity, CVSS 9.3. EPSS: 25.5% chance of exploitation in the next 30 days.

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."

Affected products

• Microsoft Office: version 2004 only; version 2008 only
• Microsoft Office Compatibility Pack For Word Excel Ppt 2007: any version
• Microsoft Office Excel: version 2000 only; version 2002 only; version 2003 only
• Microsoft Office Excel Viewer: any version; version 2003 only
• Microsoft Open XML File Format Converter: any version

Published 2008-12-10. Last modified 2026-06-16.