CVE-2016-3279: Microsoft Excel

Medium severity, CVSS 5.5. EPSS: 16.4% chance of exploitation in the next 30 days.

Microsoft Office 2010 SP2, Excel 2010 SP2, PowerPoint 2010 SP2, Word 2010 SP2, Excel 2013 SP1, PowerPoint 2013 SP1, Word 2013 SP1, Excel 2013 RT SP1, PowerPoint 2013 RT SP1, Word 2013 RT SP1, Excel 2016, Word 2016, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps 2010 SP2 allow remote attackers to execute arbitrary code via a crafted XLA file, aka "Microsoft Office Remote Code Execution Vulnerability."

Affected products

• Microsoft Excel: version 2010 only; version 2013 only; version 2016 only
• Microsoft Excel Rt: version 2013 only
• Microsoft Office: version 2010 only
• Microsoft Office Web Apps: version 2010 only
• Microsoft PowerPoint: version 2010 only; version 2013 only
• Microsoft PowerPoint Rt: version 2013 only
• Microsoft SharePoint Server: version 2010 only
• Microsoft Word: version 2010 only; version 2013 only; version 2016 only
• Microsoft Word Rt: version 2013 only

Published 2016-07-13. Last modified 2026-06-17.