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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 Microsoft Docs articles:

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 4484380.

File hash information

File name

SHA1 hash

SHA256 hash

word2010-kb4484458-fullfile-x86-glb.exe

4E491662229FD462D1379ADC534359F5D68C2743

ED0067137035690F1060D3A65EBEEFD211543EC35B075DE65513D6ECCB0FC27C

word2010-kb4484458-fullfile-x64-glb.exe

9A66179B2AF49EEBDD6FA70062C56C28B78E745D

2527D7B2BF787BE3A994755312B79AC6E5920598D94FCD76417B32E362105F92


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

msword.olb

msword.olb

14.0.7162.5000

902,304

11-Sep-2018

07:03

winword.exe

winword.exe

14.0.7254.5000

1,432,176

23-Jun-2020

11:41

wordicon.exe

wordicon.exe

14.0.7120.5000

1,859,240

11-Sep-2018

05:21

wrd12cnv.dll

wordcnv.dll

14.0.7254.5000

5,485,680

23-Jun-2020

11:38

wwlib.dll

wwlib.dll

14.0.7254.5000

19,051,120

23-Jun-2020

11:41

File identifier

File name

File version

File size

Date

Time

msword.olb

msword.olb

14.0.7162.5000

902,304

11-Sep-2018

07:03

winword.exe

winword.exe

14.0.7254.5000

1,433,200

23-Jun-2020

11:41

wordicon.exe

wordicon.exe

14.0.7120.5000

1,859,240

11-Sep-2018

05:21

wrd12cnv.dll

wordcnv.dll

14.0.7254.5000

6,842,992

23-Jun-2020

11:39

wwlib.dll

wwlib.dll

14.0.7254.5000

24,542,832

23-Jun-2020

11:42

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

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