High severity7.8NVD Advisory· Published Sep 13, 2017· Updated Jun 17, 2026
CVE-2017-8631
CVE-2017-8631
Description
A remote code execution vulnerability exists in Excel Services, Microsoft Excel 2007 Service Pack 3, 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 Office Compatibility Pack Service Pack 3, Microsoft Excel Web App 2013 Service Pack 1, Microsoft Excel Viewer 2007 Service Pack 3, and Office Online Server 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-2017-8632, and CVE-2017-8744.
Affected products
11- cpe:2.3:a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel_web_app:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_online_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_web_apps:2013:*:*:*:*:*:*:*
- Microsoft Corporation/Microsoft Officev5Range: Excel Services, Microsoft Excel 2007 Service Pack 3, 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 Office Compatibility Pack Service Pack 3, Microsoft Excel Web App 2013 Service Pack 1, Microsoft Excel Viewer 2007 Service Pack 3, and Office Online Server
Patches
Vulnerability mechanics
References
3- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8631nvdPatchVendor Advisory
- www.securityfocus.com/bid/100751nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1039315nvdThird Party AdvisoryVDB Entry
News mentions
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