CVE-2006-1309: Microsoft Excel

High severity, CVSS 9.3. EPSS: 9.7% chance of exploitation in the next 30 days.

Microsoft Excel 2000 through 2004 allows user-assisted attackers to execute arbitrary code via a .xls file with a crafted LABEL record that triggers memory corruption.

Affected products

• Microsoft Excel: version 2000 only; version 2002 only; version 2003 only; version 2004 only; version x only
• Microsoft Excel Viewer: version 2003 only

Published 2006-07-13. Last modified 2026-06-16.