Description of the security update for Outlook 2013: February 11, 2020

Applies to: Microsoft Office 2013 Service Pack 1


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 1 for Microsoft Office 2013 installed on the computer.

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 Click-to-Run editions, such as Microsoft Office 365 Home (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 4475563.

File hash information

File name SHA1 hash SHA256 hash
outlook2013-kb4484156-fullfile-x86-glb.exe 7AE666E4F08A5D10C953D74FBA17635F7F6F5ADD 5930990CD5D6E97B3C970DA05DC468E9A8B70E12C4816BC4B9911D8A422B0273
outlook2013-kb4484156-fullfile-x64-glb.exe 1469C891E6DFE9E94F5005D16EAD9790D180409E AACFEB2F872A40007E5FD26F954B3B090C964813EC204953B5273409DF1049FF

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