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

Applies to: Microsoft Office 2010 Service Pack 2


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.

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 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.

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security