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Summary

This update resolves a security feature bypass vulnerability that exists if Microsoft Outlook or another relevant product does not enforce security settings that are configured on a system. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1229.

Note To apply this 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 2010 Home and Student (see What version of Office am I using?).

Improvements and fixes

This update fixes an issue in Office Visual Basic Application projects that's related to references searching.

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: June 9, 2020.

Security update replacement information

This security update replaces previously released security update 4484126.

File hash information

File name

SHA1 hash

SHA256 hash

mso2010-kb4484373-fullfile-x86-glb.exe

6641F602DE343E45C1A636787410B288F6CF67B0

8520F0D138D24B68DAD59906A5981303C66692AD861C46C6FD59CD6D33661D79

mso2010-kb4484373-fullfile-x64-glb.exe

F45570F6C346867178C5C40F9888BD9B96192829

83BB804F1884176B136B5EE3EAB09434BB46294332A0360D9AEF65CEF286EC65


File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

File identifier

File name

File version

File size

Date

Time

mso.dll.x86

mso.dll

14.0.7252.5000

18,562,216

15-May-2020

11:53

File identifier

File name

File version

File size

Date

Time

mso.dll.x64

mso.dll

14.0.7252.5000

24,362,152

16-May-2020

12:04

mso.dll.x86

mso.dll

14.0.7252.5000

18,562,216

15-May-2020

11:53

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

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