Description of the security update for Outlook 2010: April 14, 2020

Applies to: Microsoft Office 2010 Service Pack 2

Summary


This security update resolves a remote code execution vulnerability that exists if Microsoft Office incorrectly loads arbitrary type libraries. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-0760.

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

Known issues


Some types of Visual Basic for Applications (VBA) references might be affected by this update. For more information, see FAQ for VBA solutions affected by April 2020 Office security updates.

Note This change in behavior is caused by a design change in Office. The new behavior is by design. Therefore, a fix is not necessary and no mitigation will be provided.

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: April 14, 2020.

Security update replacement information

This security update replaces previously released security update 4484163.

File hash information

File name SHA1 hash SHA256 hash
outlookloc2010-kb4484284-fullfile-x86-glb.exe 502BDA8D9C351C4EAB39F7FA5DA6857033AF5441 C702C58867EC33FCABC443A0673742769BC84E39C776E5877A3FE140EA3AFB72
outlookloc2010-kb4484284-fullfile-x64-glb.exe 4CA71EF1310D6FB6292604D256A5A7446AA91734 911F97A200B78DF435C7AB4EEC92B874AEC129B5C140ACE04B0465D8ED1BDD77


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