Description of the security update for Office 2010: April 13, 2021 (KB2589361)

Summary

This security update resolves a Microsoft Office Remote Code Execution Vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-28449.

**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.

• Download security update 2589361 for the 32-bit version of Office 2010
• Download security update 2589361 for the 64-bit version of Office 2010

More information

Security update deployment information

For deployment information about this update, see Security update deployment information: April 13, 2021.

Security update replacement information

This security update doesn’t replaces any previously released security update.

File hash information

File name	SHA1 hash	SHA256 hash
eurotool2010-kb2589361-fullfile-x86-glb.exe	7E56C1A68961ECE33D1737305330EDFD2FFCF62C	ACB9A03C97B757262A0FB9EE65CA16E3DFAB209A2323ABDDA7C38DE6B4B49188
eurotool2010-kb2589361-fullfile-x64-glb.exe	970F3B6CBCA605C439D775D4D1B2028E408CE0EE	7477145568EE8D3066B894C2075133794311559F068E340C0D5381B4E0760E89

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.

__

For all supported x86-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
eurotool.xlam	eurotool.xlam		393,432	17-Mar-2021	06:17
msoeuro.dll	msoeuro.dll	14.0.7268.5000	36,440	17-Mar-2021	06:16

__

For all supported x864-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
eurotool.xlam	eurotool.xlam		404,250	17-Mar-2021	06:16
msoeuro.dll	msoeuro.dll	14.0.7268.5000	41,048	17-Mar-2021	06:16

Information about protection and security

Protect yourself online: Windows Security supportLearn how we guard against cyber threats: Microsoft Security