Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

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.

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 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.

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

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

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Was this information helpful?

What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!

×