CVE-2015-2470: Microsoft Office

High severity, CVSS 9.3. EPSS: 26.9% chance of exploitation in the next 30 days.

Integer underflow in Microsoft Office 2007 SP3, Office 2010 SP2, Office 2013 SP1, Office 2013 RT SP1, Office for Mac 2011, and Word Viewer allows remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Integer Underflow Vulnerability."

Affected products

• Microsoft Office: version 2010 only; version 2011 only; version 2013 only
• Microsoft Word: version 2007 only
• Microsoft Word Viewer: any version

Published 2015-08-15. Last modified 2026-06-17.