CVE-2017-8632: Microsoft Excel

High severity, CVSS 7.8. EPSS: 17.7% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists in Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2016, Microsoft Office Web Apps 2013, Microsoft Excel for Mac 2011, Microsoft Excel 2016 for Mac, and Microsoft Office Compatibility Pack Service Pack 3, when they fail to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8630, CVE-2017-8631, and CVE-2017-8744.

Affected products

• Microsoft Excel: version 2010 only; version 2013 only; version 2016 only
• Microsoft Excel For Mac: version 2011 only; version 2016 only
• Microsoft Office Compatibility Pack: any version
• Microsoft Office Web Apps: version 2013 only

Published 2017-09-13. Last modified 2026-06-17.