CVE-2010-3232: Microsoft Excel

High severity, CVSS 9.3. EPSS: 21% chance of exploitation in the next 30 days.

Microsoft Excel 2003 SP3 and 2007 SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 do not properly validate record information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Excel File Format Parsing Vulnerability."

Affected products

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

Published 2010-10-13. Last modified 2026-06-16.