Description of the security update for Word 2010: April 13, 2021 (KB4493218)

Summary

This security update resolves a Microsoft Word remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-28453.

**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 4493218 for the 32-bit version of Word 2010
• Download security update 4493218 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: April 13, 2021.

Security update replacement information

This security update replaces previously released security update 4493145.

File hash information

File name	SHA1 hash	SHA256 hash
word2010-kb4493218-fullfile-x86-glb.exe	B82D8C009C80436358358E050719BE6100EE5B67	448A03893E2278D0D00AC9CBC3DDCAAD24563FA530D74497930F09595DBC7EB7
word2010-kb4493218-fullfile-x64-glb.exe	8B1E245655DEC3208896AE6AB819C9BC4773FA7F	7A99B94D5E6324C5430461ADE361E79443C61ADF6D38E2A5763EE37000C7152F

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.

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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	14-Oct-2015	04:59
winword.exe	winword.exe	14.0.7268.5000	1,432,192	16-Mar-2021	08:49
wordicon.exe	wordicon.exe	14.0.7120.5000	1,859,240	05-Mar-2014	06:06
wrd12cnv.dll	wordcnv.dll	14.0.7268.5000	5,486,200	16-Mar-2021	08:51
wwlib.dll	wwlib.dll	14.0.7268.5000	19,052,144	16-Mar-2021	08:50

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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	14-Oct-2015	05:03
winword.exe	winword.exe	14.0.7268.5000	1,433,200	16-Mar-2021	08:53
wordicon.exe	wordicon.exe	14.0.7120.5000	1,859,240	05-Mar-2014	06:06
wrd12cnv.dll	wordcnv.dll	14.0.7268.5000	6,843,520	16-Mar-2021	08:53
wwlib.dll	wwlib.dll	14.0.7268.5000	24,544,376	16-Mar-2021	08:54

Information about protection and security

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