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-2018-8247.

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: June 12, 2018.

Security update replacement information

This security update replaces previously released security update KB 4011023.

File hash information

Package name

Package hash SHA 1

Package hash SHA 2

wacserver2016-kb4011026-fullfile-x64-glb.exe

72C5A42D46394178B009824073A8583B15D3FE0C

85326B0BDEE83DB1815ED8876BFE4A31D01501A5660EEC65E09DB48DE4459AA2

 

File information

For the list of files that cumulative update 4011026 contains, download the file information

How to get help and support for this security update

Help for installing updates: Windows Update: FAQ

Security solutions for IT professionals: TechNet 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

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