CVE-2010-0260: Microsoft Excel

High severity, CVSS 9.3. EPSS: 23.1% chance of exploitation in the next 30 days.

Heap-based buffer overflow in Microsoft Office Excel 2007 SP1 and SP2; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a crafted spreadsheet in which "a MDXTUPLE record is broken up into several records," aka "Microsoft Office Excel MDXTUPLE Record Heap Overflow Vulnerability."

Affected products

• Microsoft Excel: version 2002 only; version 2003 only; version 2007 only
• Microsoft Office: version 2004 only; version 2008 only
• Microsoft Office Compatibility Pack: version 2007 only
• Microsoft Office Excel Viewer: any version
• Microsoft Office SharePoint Server: version 2007 only
• Microsoft Open XML File Format Converter: any version

Published 2010-03-10. Last modified 2026-06-16.