Description of the security update for Office 2010: November 10, 2020

Summary

This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2020-17020.

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 4486738 for the 32-bit version of Office 2010
• Download security update 4486738 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: November 10, 2020.

Security update replacement information

This security update replaces previously released security update 4486701.

File hash information

File name	SHA1 hash	SHA256 hash
KB24286772010-kb4486738-fullfile-x86-glb.exe	336C7AB6D8F8BFD6846384FD73A3928CC03405A4	287B3BF578042B778393A4AFA62401AA8FE01652B72AC22529069EF2EFC869A8
KB24286772010-kb4486738-fullfile-x64-glb.exe	5BBAEF6A3DEE4080A855B8DF058E3E3DD91E4721	F5C16EFCA64A44B322F37A69A75E22E5D697B026FB718051EE321F547A936575

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.

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For all supported x86-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
wwlibcxm.dll	wwlibcxm.dll	14.0.7262.5000	19,053,160	13-Oct-2020	08:59

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For all supported x64-based versions of Office 2010

File identifier	File name	File version	File size	Date	Time
wwlibcxm.dll	wwlibcxm.dll	14.0.7262.5000	24,545,912	13-Oct-2020	09:15

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