CVE-2010-0257: Microsoft Excel

High severity, CVSS 9.3. EPSS: 18.6% chance of exploitation in the next 30 days.

Microsoft Office Excel 2002 SP3 does not properly parse the Excel file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Microsoft Office Excel Record Memory Corruption 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.