Description of the security update for Excel 2010: November 10, 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-2020-17064
• Microsoft Common Vulnerabilities and Exposures CVE-2020-17065
• Microsoft Common Vulnerabilities and Exposures CVE-2020-17066
• Microsoft Common Vulnerabilities and Exposures CVE-2020-17067
  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 4486743 for the 32-bit version of Excel 2010
• Download security update 4486743 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: November 10, 2020.

Security update replacement information

This security update replaces previously released security update 4486707.

File hash information

File name	SHA1 hash	SHA256 hash
excel2010-kb4486743-fullfile-x86-glb.exe	1C1741A85D0A7CADAE5B1CCAB50690430C93F8CE	2D4D2A447B3CED0AA823446DD90A653A85DA8902530B2B0279592C226A84D903
excel2010-kb4486743-fullfile-x64-glb.exe	07F8AEFC06F2A9D89084BEE47DA8DF1AE0B4D1D9	65F119900DD637779C160C2003B1406454A4B4D56622962DCA3B86899F22D903

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.

__

For all supported x86-based versions of Excel 2010

File identifier	File name	File version	File size	Date	Time
excel.exe	excel.exe	14.0.7262.5000	20,420,720	15-Oct-2020	12:48
excel.man	excel.exe.manifest		1,194	07-Sep-2018	04:40
xl12cnv.exe	excelcnv.exe	14.0.7262.5000	17,857,136	14-Oct-2020	12:30
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

__

For all supported x64-based versions of Excel 2010

File identifier	File name	File version	File size	Date	Time
excel.exe	excel.exe	14.0.7262.5000	27,677,304	15-Oct-2020	12:49
excel.man	excel.exe.manifest		1,196	07-Sep-2018	04:39
xl12cnv.exe	excelcnv.exe	14.0.7262.5000	25,072,248	14-Oct-2020	12:23
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

Information about protection and securityProtect yourself online: Windows Security supportLearn how we guard against cyber threats: Microsoft Security