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mskbMicrosoftKB3213659
HistoryOct 10, 2017 - 7:00 a.m.

Description of the security update for Office Online Server: October 10, 2017

2017-10-1007:00:00
Microsoft
support.microsoft.com
117

8.1 High

AI Score

Confidence

High

0.955 High

EPSS

Percentile

99.4%

Description of the security update for Office Online Server: October 10, 2017

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 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