Description of the security update for Word 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.

• Download security update 4493145 for the 32-bit version of Word 2010
• Download security update 4493145 for the 64-bit version of Word 2010

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 informationThe 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.

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For all supported x86-based versions of Word 2010

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

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For all supported x64-based versions of Word 2010

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

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