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:

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.

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 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.

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

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

Information about protection and security

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