Summary

This security update resolves a vulnerability in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2017-11826.

Note To apply this security update, you must have the release version of Office Online Server installed on the computer.

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.

More Information

Security update deployment information

For deployment information about this update, see security update deployment information: October 10, 2017.

Security update replacement information

This security update replaces previously released security update KB 3213658.

File hash information

Package Name

Package Hash SHA 1

Package Hash SHA 2

wacserver2016-kb3213659-fullfile-x64-glb.exe

53B156E93271CA62E08A06B91202A0705D1FEB88

8482A361BD3CF8F1615820C3BDC2DFD8ACD51C185ED931D4F57C48C75B971585

File information

For the list of files that cumulative update 3213659 contains, download the file information for update 3213659.

How to get help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support

Propose a feature or provide feedback on SharePoint: SharePoint User Voice portal
 

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