Description of the security update for Word 2007: April 10, 2018


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-2018-0950.

Note To apply this security update, you must have the release version of Service Pack 3 for the 2007 Microsoft Office Suite 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 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 4011721.

File hash information

Package name Package hash SHA 1 Package hash SHA 2
word2007-kb4018355-fullfile-x86-glb.exe 64F6846E3333DC709D432DE2D3735A3B248818B2 79E176ACF407094FBA5EF23CF54AFC736EC06260CED7873FE99B5910E766D726

File information

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

For all supported x86-based versions of Word 2007

File identifier File name File version File size Date Time
winword.exe winword.exe 12.0.6787.5000 419,008 25-Mar-2018 03:33
wwlib.dll wwlib.dll 12.0.6787.5000 17,824,448 25-Mar-2018 03:33

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: Office User Voice portal