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Description of the security update for Office Web Apps Server 2013: November 13, 2018

View products that this article applies to.


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 2013 installed on the computer.

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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.

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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.

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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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Article Info
Article ID : 4092473
Revision : 12
Created on : 4/13/2020
Published on : 4/16/2020
Exists online : False
Views : 162