Description of the security update for Office 2013: April 10, 2018

Applies to: Microsoft Office 2013 Service Pack 1


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-2018-1028.

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

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 Click-to-Run editions, such as Microsoft Office 365 Home (Determining your Office version).

Improvements and fixes

This security update contains the following nonsecurity improvement:

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: April 10, 2018.

Security update replacement information

This security update replaces previously released security update KB 4011690.

File hash information

Package name Package hash SHA 1 Package hash SHA 2
mso2013-kb4018330-fullfile-x86-glb.exe 1012587BF77C3B596E08CB83F6FA8BF77798FB7A ED6128CC967F49D43221E6D50AE50019FB8590595FD76B823CE970967B2C53A9
mso2013-kb4018330-fullfile-x64-glb.exe D7B6755BFC0BF87706C519D992A2E843785AF4AD 7E6B6B231086B8C27AC4EA8BBB1708B17415697FCA752CE8CAFF41835B0FF626

File information

The English version of this security update has the file attributes (or later file attributes) that are listed in the following table.

How to get help and support for this security update

Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

Propose a feature or provide feedback on Office Core: Office User Voice portal