Description of the security update for Excel 2010: September 8, 2020

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 security advisories:

• Microsoft Common Vulnerabilities and Exposures CVE-2020-1332
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1224
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1335
• Microsoft Common Vulnerabilities and Exposures CVE-2020-1594
  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 4486665 for the 32-bit version of Excel 2010
• Download security update 4486665 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: September 8, 2020.

Security update replacement information

This security update replaces previously released security update 4484461.

File hash information

File name	SHA1 hash	SHA256 hash
excel2010-kb4486665-fullfile-x86-glb.exe	70648B72428B32EE8D5AB435E6181BEDD9006A0F	68A8C6724CD4FF7D0BC17013BFF69C485310542202627FA477713671B9D5DAC2
excel2010-kb4486665-fullfile-x64-glb.exe	F162E5228474F06B9E0696522F87186F2EFA4B49	DE3DE24DAA56DF302051684042068B296DF5743928D193B95E0083090F145617

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 Excel 2010

File identifier	File name	File version	File size	Date	Time
excel.exe	excel.exe	14.0.7258.5000	20,420,720	27-Aug-2020	12:58
excel.man	excel.exe.manifest		1,194	07-Sep-2018	04:40
xl12cnv.exe	excelcnv.exe	14.0.7258.5000	17,856,624	14-Aug-2020	07:51
xlcall32.dll	xlcall32.dll	14.0.7162.5000	10,432	11-Sep-2018	07:12
xlicons.exe	xlicons.exe	14.0.7120.5000	1,480,360	11-Sep-2018	05:21

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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	14.0.7258.5000	27,678,320	27-Aug-2020	01:00
excel.man	excel.exe.manifest		1,196	07-Sep-2018	04:39
xl12cnv.exe	excelcnv.exe	14.0.7258.5000	25,072,248	14-Aug-2020	07:45
xlcall32.dll	xlcall32.dll	14.0.7162.5000	10,944	11-Sep-2018	07:12
xlicons.exe	xlicons.exe	14.0.7120.5000	1,480,360	11-Sep-2018	05:21

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