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 Microsoft Common Vulnerabilities and Exposures CVE-2018-1028.

Note To apply this security update, you must have the release version of Service Pack 2 for Office 2010 installed on the computer.

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2010. It doesn't apply to the Office 2010 Click-to-Run editions, such as Microsoft Office 365 Home. (Determining your Office version)

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 4011707.

File hash information

Package name

Package hash SHA 1

Package hash SHA 2

mso2010-kb4018311-fullfile-x86-glb.exe

28E97694970542A8D75E2E949E343B2994986343

EA2B162D46F8BF5C06894B79F1028C7EA3C8DD5E9ACEEE16DF9FAC026E0F0A36

mso2010-kb4018311-fullfile-x64-glb.exe

B0DB5FE13DE35EAEF83C9855342E9C1E5808BE62

9BFF30B8D7AAC3633C03B7863BBF3DBFE82F5723DF9A51F3E846FCCC4A9311EA

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 Office 2010

File identifier

File name

File version

File size

Date

Time

mso.dll.x86

mso.dll

14.0.7197.5000

18,657,512

25-Mar-2018

11:12

For all supported x64-based versions of Office 2010

File identifier

File name

File version

File size

Date

Time

mso.dll.x64

mso.dll

14.0.7197.5000

24,347,376

25-Mar-2018

11:20

mso.dll.x86

mso.dll

14.0.7197.5000

18,657,512

25-Mar-2018

11:12

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

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