Description of the security update for Excel 2010: March 9, 2021 (KB4504707)

Summary

This security update resolves a Microsoft Excel Remote Code Execution Vulnerability. To learn more about the vulnerability, see the following security advisories:

• Microsoft Common Vulnerabilities and Exposures CVE-2021-27053
• Microsoft Common Vulnerabilities and Exposures CVE-2021-27054
• Microsoft Common Vulnerabilities and Exposures CVE-2021-27057

**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 4504707 for the 32-bit version of Excel 2010
• Download security update 4504707 for the 64-bit version of Excel 2010

More information

Security update deployment information

For deployment information about this update, see Security update deployment information: March 9, 2021 (KB5001208).

Security update replacement information

This security update replaces previously released security update 4493222.

File hash information

File name	SHA1 hash	SHA256 hash
excel2010-kb4504707-fullfile-x86-glb.exe	01E65B79207CF5C9B4166AC499DCD29202EE506A	F3D0DC8928DEE75BAFE0CE96F56008F38166C9B837F1821E8F180155BCE2DE8D
excel2010-kb4504707-fullfile-x64-glb.exe	BEE5EE56C3B95AC818E3FA6572A89590E112BCDB	124E4F7319FACC39E0606AE5F23005F09934D136580A984CA37C9551D3439B54

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 Excel 2010

File identifier	File name	File version	File size	Date	Time
excel.exe	excel.exe	14.0.7266.5000	20,421,216	17-Feb-2021	04:44
excel.man	excel.exe.manifest		1,194	07-Sep-2018	05:40
xl12cnv.exe	excelcnv.exe	14.0.7266.5000	17,857,656	10-Feb-2021	08:39
xlcall32.dll	xlcall32.dll	14.0.7162.5000	10,432	11-Sep-2018	08:12
xlicons.exe	xlicons.exe	14.0.7120.5000	1,480,360	11-Sep-2018	06:21

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For all supported x64-based versions of Excel 2010

File identifier	File name	File version	File size	Date	Time
excel.exe	excel.exe	14.0.7266.5000	27,677,824	17-Feb-2021	04:56
excel.man	excel.exe.manifest		1,196	07-Sep-2018	05:39
xl12cnv.exe	excelcnv.exe	14.0.7266.5000	25,073,256	11-Feb-2021	03:22
xlcall32.dll	xlcall32.dll	14.0.7162.5000	10,944	11-Sep-2018	08:12
xlicons.exe	xlicons.exe	14.0.7120.5000	1,480,360	11-Sep-2018	06:21

Information about protection and security

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