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 4486740.

File hash information

File name

SHA1 hash

SHA256 hash

word2010-kb4493145-fullfile-x86-glb.exe

8D19F6D6A74474E690AC911ACBEAE64D769FA862

3136DEDD415D3FC57C199CB04444101298BEA3E668303158033998D644155DBD

word2010-kb4493145-fullfile-x64-glb.exe

1F1AF612F69F5B4F0141FADF1CDF39F5455ADDAF

6E30D8BDB81CF839FB453CA0C5BCE0E7D5C799DD496DD6B3BE680330D8332A03


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

08:03

winword.exe

winword.exe

14.0.7264.5000

1,432,176

17-Dec-2020

03:28

wordicon.exe

wordicon.exe

14.0.7120.5000

1,859,240

11-Sep-2018

06:21

wrd12cnv.dll

wordcnv.dll

14.0.7264.5000

5,486,192

17-Dec-2020

03:24

wwlib.dll

wwlib.dll

14.0.7264.5000

19,183,216

17-Dec-2020

03:25

File identifier

File name

File version

File size

Date

Time

msword.olb

msword.olb

14.0.7162.5000

902,304

11-Sep-2018

08:03

winword.exe

winword.exe

14.0.7264.5000

1,433,200

17-Dec-2020

03:28

wordicon.exe

wordicon.exe

14.0.7120.5000

1,859,240

11-Sep-2018

06:21

wrd12cnv.dll

wordcnv.dll

14.0.7264.5000

6,843,504

17-Dec-2020

03:25

wwlib.dll

wwlib.dll

14.0.7264.5000

24,543,856

17-Dec-2020

03:29

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!

×