Description of the security update for Office Web Apps Server 2013: December 8, 2020

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 the following security advisories:

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.

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 standalone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the standalone 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: December 8, 2020.

Security update replacement information

This security update doesn't replace any previously released update.

File hash information

File name

SHA1 hash

SHA256 hash

WacServer2013-kb4486760-fullfile-x64-glb.exe

587ABBD6189D56B8FB670D8AC06977F01232EA68

A7030ACE2C5B509C6FA3CAA17298F1498CBF3F177DA0997DD91B7C4A2BCE5731


File information

Download the list of files that are included in security update 4486760.

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

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