CVE-2012-1887: Microsoft Excel

High severity, CVSS 9.3. EPSS: 25.1% chance of exploitation in the next 30 days.

Use-after-free vulnerability in Microsoft Excel 2003 SP3, 2007 SP2 and SP3, and 2010 SP1, and Office 2008 and 2011 for Mac, allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel SST Invalid Length Use After Free Vulnerability."

Affected products

• Microsoft Excel: version 2003 only; version 2007 only; version 2010 only
• Microsoft Office: version 2008 only; version 2011 only

Published 2012-11-14. Last modified 2026-06-16.