CVE-2006-6456: Microsoft Office

High severity, CVSS 9.3. EPSS: 32.2% chance of exploitation in the next 30 days.

Unspecified vulnerability in Microsoft Word 2000, 2002, and 2003 and Word Viewer 2003 allows remote attackers to execute code via unspecified vectors related to malformed data structures that trigger memory corruption, a different vulnerability than CVE-2006-5994.

Affected products

• Microsoft Office: version 2000 only; version 2003 only; version 2004 only; version xp only
• Microsoft Word: version 2000 only; version 2002 only; version 2003 only
• Microsoft Word Viewer: version 2003 only
• Microsoft Works: version 2004 only; version 2005 only; version 2006 only

Published 2006-12-11. Last modified 2026-06-16.