Description of the security update for Office 2010: September 8, 2020

Summary

This security update resolves a remote code execution vulnerability that exists in Microsoft Word if the software does not correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1218.

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 4484533 for the 32-bit version of Office 2010
• Download security update 4484533 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: September 8, 2020.

Security update replacement information

This security update replaces previously released security update 4484492.

File hash information

File name	SHA1 hash	SHA256 hash
KB24286772010-kb4484533-fullfile-x86-glb.exe	1AE40D28022CFD36015B3C5C4F5EAE793EC026FD	537EFA515F81F67C278C09455A83A28E73D2C6688036A091033E10CB5E5105A2
KB24286772010-kb4484533-fullfile-x64-glb.exe	F58527D75CB3B0CC957D1527469FACDFEAECD3A0	36AB409F2B70EF898416EF6788307E926D9792D704C7C89C046EF75743FE6925

File informationThe 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
wwlibcxm.dll	wwlibcxm.dll	14.0.7258.5000	19,053,160	13-Aug-2020	09:01

__

For all supported x64-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
wwlibcxm.dll	wwlibcxm.dll	14.0.7258.5000	24,545,896	13-Aug-2020	09:00

Information about protection and securityProtect yourself online: Windows Security supportLearn how we guard against cyber threats: Microsoft Security