CVE-2010-3221: Microsoft Office

High severity, CVSS 9.3. EPSS: 19.4% chance of exploitation in the next 30 days.

Microsoft Word 2002 SP3 and 2003 SP3, Office 2004 for Mac, and Word Viewer do not properly handle a malformed record during parsing of a Word document, which allows remote attackers to execute arbitrary code via a crafted document that triggers memory corruption, aka "Word Parsing Vulnerability."

Affected products

• Microsoft Office: version 2004 only
• Microsoft Word: version 2002 only; version 2003 only
• Microsoft Word Viewer: any version

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