CVE-2010-0821: Microsoft Excel

High severity, CVSS 9.3. EPSS: 24.3% chance of exploitation in the next 30 days.

Unspecified vulnerability in Microsoft Office Excel 2002 SP3, 2003 SP3, 2007 SP1 and SP2; Office 2004 for mac; Office 2008 for Mac; Open XML File Format Converter for Mac; 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 an Excel file with a crafted SxView record, related to improper validation of unspecified structures, aka "Excel Record Parsing Memory Corruption Vulnerability," a different vulnerability than CVE-2010-0824 and CVE-2010-1245.

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 Open XML File Format Converter: any version

Published 2010-06-08. Last modified 2026-06-16.