Description of the security update for Outlook 2010: February 11, 2020

Applies to: Microsoft Office 2010 Service Pack 2


This security update resolves a security feature bypass vulnerability that exists in Microsoft Outlook software if it incorrectly handles the parsing of URI formats. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-0696.

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: February 11, 2020.

Security update replacement information

This security update replaces previously released security update 4475573.

File hash information

File name SHA1 hash SHA256 hash
outlookloc2010-kb4484163-fullfile-x86-glb.exe 30A68B6981A4CF6B6CA3B6ED9414DCF0A6F0BADE E1150CAAB57805EFE71184756FFF4B557E20C1DF2550A6D4C15A635E62E8F52C
outlookloc2010-kb4484163-fullfile-x64-glb.exe DD76628C442569A4C0B5F927BFDEAC58085E1FF3 9BCE985E9EDC27D42CE4E8FF41374E5D9AB7A70B0D8980D9DEA114CFDCB33691

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