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

Summary

This security 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 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 2010 Home and Student (see What version of Office am I using?).

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 4484378 for the 32-bit version of Office 2010
• Download security update 4484378 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 4484294.

File hash information

File name	SHA1 hash	SHA256 hash
KB24286772010-kb4484378-fullfile-x86-glb.exe	5F1E98A17FA80049CE73A54A667DBE769B31CB00	4CBB36B62219F456F2DCE8591E881131C5485918C4CCA5842F9A2D0788BFA1A5
KB24286772010-kb4484378-fullfile-x64-glb.exe	CEE5815538C5EADCF5E86DED11C9A6B4FD03C135	F0D60066F4C56836D28F804BE137FBD93E4CE5724A10B993700E98CB71D7D7C9

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
wwlibcxm.dll	wwlibcxm.dll	14.0.7252.5000	19,052,152	15-May-2020	04:09

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For all supported x64-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
wwlibcxm.dll	wwlibcxm.dll	14.0.7252.5000	24,543,352	15-May-2020	04:23

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