Description of the security update for Office Web Apps Server 2013: September 12, 2017

Summary

This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2017-8631 and Microsoft Common Vulnerabilities and Exposures CVE-2017-8742.

Note To apply this security update, you must have the release version of Service Pack 1 for Microsoft Office Web Apps Server 2013 installed on the computer.

Improvements and fixes

This security update contains improvements and fixes for the following nonsecurity issue:

• Improve the translation of the notification message when an operation takes longer than 10 seconds in Excel Online.

How to get and install the update

Method 1: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 2: Microsoft Download Center

You can get the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

• Download the security update KB3213562 for the 64-bit version of Office Web Apps Server 2013

More Information

Security update deployment information

For deployment information about this update, see security update deployment information: September 12, 2017.

Security update replacement information

This security update doesn’t replace any previously released update.

File hash information

Package Name	Package Hash SHA 1	Package Hash SHA 2
wacserver2013-kb3213562-fullfile-x64-glb.exe	A56B2443AE7317B2F4E34566B165803D3012C6D8	DDA2938E4216283630AD12033EC6D50842DA30CC1295A17D921C14825D26BC31

File information

For the list of files that cumulative update 3213562 contains, download the file information for update 3213562.

How to get help and support for this security update

Help for installing updates: Windows Update FAQSecurity solutions for IT professionals: Security Support and TroubleshootingHelp for protecting your Windows-based computer from viruses and malware: Microsoft SecureLocal support according to your country: International SupportPropose a feature or provide feedback on SharePoint: SharePoint User Voice portal