CVE-2017-8501: Microsoft Excel

High severity, CVSS 7.8. EPSS: 23.3% chance of exploitation in the next 30 days.

Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8502.

Affected products

• Microsoft Excel: version 2007 only; version 2010 only; version 2013 only; version 2016 only
• Microsoft Excel Viewer: version 2007 only
• Microsoft Office: version 2011 only; version 2016 only
• Microsoft Office Compatibility Pack: affected versions not specified
• Microsoft Office Online Server: version 2016 only
• Microsoft SharePoint Server: version 2010 only; version 2013 only

Published 2017-07-11. Last modified 2026-06-17.