Description of the security update for Project 2013: July 14, 2020

Applies to: Project 2013 StandardProject Professional 2013


This security update resolves a remote code execution vulnerability that exists in Microsoft Project software if the software does not check the source markup of a file. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1449.

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: July 14, 2020.

Security update replacement information

This security update replaces previously released security update 4484369.

File hash information

File name SHA1 hash SHA256 hash
project2013-kb4484450-fullfile-x86-glb.exe 7DE1FF075DCD7913CFFDD87AAF70F0073F3CEBF0 FEA5E3819028806F639FE1491818B3546BC1C7C9B92FC52BBFAC2361357E3E57
project2013-kb4484450-fullfile-x64-glb.exe FA2D6AF5CF97A7D8F26F302DA5B8D8E366A7D149 BD19CEE4A4B48FAB4847D9D4495B01B5C51EB782085C653C2DEB2E6C2770817E

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