Description of the security update for Office 2010: January 12, 2021

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-2021-1715 and Microsoft Common Vulnerabilities and Exposures CVE-2021-1716.

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: January 12, 2021.

Security update replacement information

This security update replaces previously released security update 4486738.

File hash information

File name

SHA1 hash

SHA256 hash

KB24286772010-kb4493142-fullfile-x86-glb.exe

001C75B7BCC16F257ABDB8D15D655A539CE14BA3

DCAA4B020AC38C45BA1137BC9ED34A2155E35BC31377C6CAE59BF84DF6C82A0D

KB24286772010-kb4493142-fullfile-x64-glb.exe

DDA3C213AFDBD540C15DAA5138E32F5E5F93F551

7C5BEF9B2E17491F0B374AE05F28F95D894AC0B4946990473E1197FFCCCA36D0


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

14.0.7264.5000

19,053,168

16-Dec-2020

02:23

File identifier

File name

File version

File size

Date

Time

wwlibcxm.dll

wwlibcxm.dll

14.0.7264.5000

24,545,904

16-Dec-2020

02:25

Information about protection and security

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