CVE-2011-1986: Microsoft Excel

High severity, CVSS 9.3. EPSS: 21.5% chance of exploitation in the next 30 days.

Use-after-free vulnerability in Microsoft Excel 2003 SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Use after Free WriteAV Vulnerability."

Affected products

• Microsoft Excel: version 2003 only

Published 2011-09-15. Last modified 2026-06-16.