critical
9.3
Advisory Published
Updated

CVE-2017-8631

First published: Tue Sep 12 2017(Updated: )

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.

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Office Excel=2007
Microsoft Office Excel=2010
Microsoft Office Excel=2013
Microsoft Office Excel=2013-sp1
Microsoft Office Excel=2016
Microsoft Office Excel Viewer=2007-sp3
Microsoft Excel Web App=2013-sp1
Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint=sp3
Microsoft Office Online Server
Microsoft Office Web Apps=2013

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8631

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2017-8631?

    CVE-2017-8631 is rated as critical due to its potential for remote code execution.

  • How do I fix CVE-2017-8631?

    To fix CVE-2017-8631, apply the latest security updates provided by Microsoft for the affected versions of Excel.

  • Which versions of Excel are affected by CVE-2017-8631?

    CVE-2017-8631 affects Microsoft Excel 2007, 2010, 2013, 2016, and certain Office web applications.

  • What type of vulnerability is CVE-2017-8631?

    CVE-2017-8631 is a remote code execution vulnerability that can allow attackers to take control of affected systems.

  • What are the common symptoms of exploitation of CVE-2017-8631?

    Common symptoms include abnormal behavior in Excel applications and unauthorized access to sensitive data.

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