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-2018-8577.

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

How to get and install the update

Method 1: Microsoft Update

This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

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

Method 3: 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: November 13, 2018.


Security update replacement information


This security update replaces previously released security update KB 4022238.


File hash information

File name

SHA1 hash

SHA256 hash

wacserver2013-kb4092473-fullfile-x64-glb.exe

A57C060A9B169B7C78CC5863B4E8910F80549270

72C9ADF9C30F62AC56DA77BFD48899FA0B39E99A497EB4577744D5745095D4F8

File information

For the list of files that are included in the security update 4092473, download the file information.

How to get help and support for this security update

Protect yourself online and at home: Windows Security support

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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