Description of the security update for Office Web Apps Server 2013: December 11, 2018

Applies to: Office Web Apps Server 2013


This security update resolves vulnerabilities in MicrosoftOffice that could allow remote code execution if a user opens a speciallycrafted Office file. To learn more about these vulnerabilities, see MicrosoftCommon Vulnerabilities and Exposures CVE-2018-8627 and Microsoft Common Vulnerabilities and Exposures CVE-2018-8628.

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

Improvements and fixes

After security update KB 4032239 isapplied, Word 2013 may crash.

Note To fix this issue, you need to install thefollowing update together with this update:

How to get and install the update

Method 1: Microsoft Update

This update is available through Windows Update. When youturn on automatic updating, this update will be downloaded and installedautomatically. For more information about how to turn on automatic updating,see WindowsUpdate: FAQ.

Method 2: Microsoft Update Catalog

To get the standalone package for this update, go tothe MicrosoftUpdate Catalog website.

Method 3: Microsoft Download Center

You can get the standalone update package through theMicrosoft Download Center. Follow the installation instructions on the downloadpage to install the update.

Update information

Security update deployment information

For deployment information about this update, see security update deployment information: December 11, 2018.

Security update replacement information

This security update replaces previously released securityupdate KB 4092473.

File information

File hash information

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File information

For the list of files that are included in the securityupdate 4461551,download the file information.

How to get help and support for this security update

Protect yourself online and at home: WindowsSecurity support 

Help for protecting your Windows-based computer from virusesand malware: MicrosoftSecure

Local support according to your country: InternationalSupport