CVE-2014-6357: Microsoft Office

High severity, CVSS 9.3. EPSS: 14.3% chance of exploitation in the next 30 days.

Use-after-free vulnerability in Microsoft Office 2010 SP2, Office 2013 Gold and SP1, Office 2013 RT Gold and SP1, Office for Mac 2011, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 Gold and SP1, and Office Web Apps 2010 SP2 and 2013 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Use After Free Word Remote Code Execution Vulnerability."

Affected products

• Microsoft Office: version 2010 only; version 2011 only; version 2013 only
• Microsoft Office Compatibility Pack: any version
• Microsoft SharePoint Server: version 2010 only; version 2013 only
• Microsoft Web Applications: version 2010 only; version 2013 only
• Microsoft Word Viewer: affected versions not specified

Published 2014-12-11. Last modified 2026-06-17.