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 the following security advisories:

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: July 14, 2020.

Security update replacement information

This security update replaces previously released security update 4484378.

File hash information

File name

SHA1 hash

SHA256 hash

KB24286772010-kb4484456-fullfile-x86-glb.exe

AD7A09C0F1A385924ABEE0F9C0CC6F562A9E67AB

E571C958C295C4305D3FACE1334D55EF57D33BF66CDB806B124973899B2AFAF8

KB24286772010-kb4484456-fullfile-x64-glb.exe

82185EE64F25B2E7708BB7FE89D279B2840BA23B

46FA3D88FE3A7A685AA859B6390AB49DB2083A752EAA2F67ED1C95A8B4EE2CD9


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

14.0.7254.5000

19,052,648

17-Jun-2020

12:19

File identifier

File name

File version

File size

Date

Time

wwlibcxm.dll

wwlibcxm.dll

14.0.7254.5000

24,545,392

17-Jun-2020

12:23

Information about protection and security

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