Description of the security update for Office 2010: June 9, 2020

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.

• Download security update 4484373 for the 32-bit version of Office 2010
• Download security update 4484373 for the 64-bit version of Office 2010

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 informationThe 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.

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For all supported x86-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
mso.dll.x86	mso.dll	14.0.7252.5000	18,562,216	15-May-2020	11:53

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For all supported x64-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
mso.dll.x64	mso.dll	14.0.7252.5000	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

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