Applies ToOffice Professional Plus 2016 Office Professional 2016 Office Standard 2016 Office Home and Business 2016 Office Home and Student 2016

Summary

This security update resolves a remote code execution vulnerability that exists in Microsoft Excel if the software does not correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1193.Note To apply this security update, you must have the release version of Office 2016 installed on the computer.

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home (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 4484342.

File hash information

File name

SHA1 hash

SHA256 hash

mso2016-kb4484466-fullfile-x86-glb.exe

905698D705A87662D4C811D7B468289C6CBD1A91

FED3D055C2AD1E05186823B9D4309E7E75A07C00A5281D7EABE3BD3C05FE252D

mso2016-kb4484466-fullfile-x64-glb.exe

BA4FA19B55286492C9CB36AEA00E27351A0E3826

CF51E0B94EA47DDF63CF73B32EDA025F1C5E939291F919CB695C7D2E14B2FC04

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

firstrun.exe

firstrun.exe

16.0.4999.1000

772112

11-Aug-20

04:23

msointl.dll.x86.1025

msointl.dll

16.0.4927.1000

3287904

12-Aug-20

05:45

msointl.dll.x86.1026

msointl.dll

16.0.4927.1000

1886048

12-Aug-20

05:41

msointl.dll.x86.1027

msointl.dll

16.0.4927.1000

1817952

12-Aug-20

06:01

msointl.dll.x86.1029

msointl.dll

16.0.4927.1000

1928032

12-Aug-20

05:45

msointl.dll.x86.1030

msointl.dll

16.0.4927.1000

1758040

12-Aug-20

05:45

msointl.dll.x86.1031

msointl.dll

16.0.4927.1000

1948216

12-Aug-20

05:45

msointl.dll.x86.1032

msointl.dll

16.0.4927.1000

2057048

12-Aug-20

05:45

msointl.dll.x86.3082

msointl.dll

16.0.4927.1000

1826360

12-Aug-20

05:45

msointl.dll.x86.1061

msointl.dll

16.0.4927.1000

1731664

12-Aug-20

05:41

msointl.dll.x86.1069

msointl.dll

16.0.4927.1000

1740640

12-Aug-20

06:01

msointl.dll.x86.1035

msointl.dll

16.0.4927.1000

1738504

12-Aug-20

05:45

msointl.dll.x86.1036

msointl.dll

16.0.4927.1000

1975360

12-Aug-20

05:45

msointl.dll.x86.1110

msointl.dll

16.0.4927.1000

1774648

12-Aug-20

06:02

msointl.dll.x86.1095

msointl.dll

16.0.4927.1000

1830688

12-Aug-20

06:02

msointl.dll.x86.1037

msointl.dll

16.0.4927.1000

2907936

12-Aug-20

05:45

msointl.dll.x86.1081

msointl.dll

16.0.4927.1000

1952312

12-Aug-20

05:45

msointl.dll.x86.1050

msointl.dll

16.0.4927.1000

1742088

12-Aug-20

05:45

msointl.dll.x86.1038

msointl.dll

16.0.4927.1000

1951584

12-Aug-20

05:41

msointl.dll.x86.1057

msointl.dll

16.0.4927.1000

1621848

12-Aug-20

05:41

msointl.dll.x86.1040

msointl.dll

16.0.4927.1000

1766240

12-Aug-20

05:45

msointl.dll.x86.1041

msointl.dll

16.0.4927.1000

2012512

12-Aug-20

05:45

msointl.dll.x86.1087

msointl.dll

16.0.4927.1000

2103648

12-Aug-20

05:45

msointl.dll.x86.1099

msointl.dll

16.0.4927.1000

1940320

12-Aug-20

06:02

msointl.dll.x86.1042

msointl.dll

16.0.4927.1000

2768736

12-Aug-20

05:45

msointl.dll.x86.1063

msointl.dll

16.0.4927.1000

1845808

12-Aug-20

05:46

msointl.dll.x86.1062

msointl.dll

16.0.4927.1000

1832016

12-Aug-20

05:46

msointl.dll.x86.1086

msointl.dll

16.0.4927.1000

1649232

12-Aug-20

05:41

msointl.dll.x86.1044

msointl.dll

16.0.4927.1000

1721624

12-Aug-20

05:46

msointl.dll.x86.1043

msointl.dll

16.0.4927.1000

1771264

12-Aug-20

05:46

msointl.dll.x86.1045

msointl.dll

16.0.4927.1000

1917280

12-Aug-20

05:46

msointl.dll.x86.1046

msointl.dll

16.0.4927.1000

1829656

12-Aug-20

05:46

msointl.dll.x86.2070

msointl.dll

16.0.4927.1000

1836312

12-Aug-20

05:46

msointl.dll.x86.1048

msointl.dll

16.0.4927.1000

1963064

12-Aug-20

05:46

msointl.dll.x86.1049

msointl.dll

16.0.4927.1000

1904384

12-Aug-20

05:46

msointl.dll.x86.1051

msointl.dll

16.0.4927.1000

1971552

12-Aug-20

05:41

msointl.dll.x86.1060

msointl.dll

16.0.4927.1000

1807712

12-Aug-20

05:41

msointl.dll.x86.2074

msointl.dll

16.0.4927.1000

1765936

12-Aug-20

05:46

msointl.dll.x86.9242

msointl.dll

16.0.4927.1000

1794912

12-Aug-20

05:46

msointl.dll.x86.1053

msointl.dll

16.0.4927.1000

1734912

12-Aug-20

05:46

msointl.dll.x86.1054

msointl.dll

16.0.4927.1000

1827376

12-Aug-20

05:46

msointl.dll.x86.1055

msointl.dll

16.0.4927.1000

1998680

12-Aug-20

05:46

msointl.dll.x86.1058

msointl.dll

16.0.4927.1000

1891896

12-Aug-20

05:46

msointl.dll.x86.1066

msointl.dll

16.0.4927.1000

2005552

12-Aug-20

05:41

msointl.dll.x86.2052

msointl.dll

16.0.4927.1000

2321704

12-Aug-20

05:46

msointl.dll.x86.1028

msointl.dll

16.0.4927.1000

2329384

12-Aug-20

05:46

msores.dll

msores.dll

16.0.4795.1000

81683304

11-Aug-20

04:23

msores.dll.x86

msores.dll

16.0.4795.1000

81683304

11-Aug-20

04:34

mso.dll.x86

mso.dll

16.0.5056.1000

14403456

12-Aug-20

05:32

msointl.dll.x86.1033

msointl.dll

16.0.4927.1000

1539640

11-Aug-20

04:22

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.4999.1000

817352

11-Aug-20

04:33

msointl.dll.x64.1025

msointl.dll

16.0.5056.1000

3324768

12-Aug-20

06:12

msointl.dll.x64.1026

msointl.dll

16.0.5056.1000

1910112

12-Aug-20

05:42

msointl.dll.x64.1027

msointl.dll

16.0.5056.1000

1842008

12-Aug-20

06:04

msointl.dll.x64.1029

msointl.dll

16.0.5056.1000

1952096

12-Aug-20

06:12

msointl.dll.x64.1030

msointl.dll

16.0.5056.1000

1782112

12-Aug-20

06:12

msointl.dll.x64.1031

msointl.dll

16.0.5056.1000

1972576

12-Aug-20

06:12

msointl.dll.x64.1032

msointl.dll

16.0.5056.1000

2081648

12-Aug-20

06:12

msointl.dll.x64.3082

msointl.dll

16.0.5056.1000

1850736

12-Aug-20

06:12

msointl.dll.x64.1061

msointl.dll

16.0.5056.1000

1755488

12-Aug-20

05:42

msointl.dll.x64.1069

msointl.dll

16.0.5056.1000

1764704

12-Aug-20

06:04

msointl.dll.x64.1035

msointl.dll

16.0.5056.1000

1762656

12-Aug-20

06:12

msointl.dll.x64.1036

msointl.dll

16.0.5056.1000

1999232

12-Aug-20

06:12

msointl.dll.x64.1110

msointl.dll

16.0.5056.1000

1799008

12-Aug-20

06:04

msointl.dll.x64.1095

msointl.dll

16.0.5056.1000

1854832

12-Aug-20

06:04

msointl.dll.x64.1037

msointl.dll

16.0.5056.1000

2944824

12-Aug-20

06:12

msointl.dll.x64.1081

msointl.dll

16.0.5056.1000

1976672

12-Aug-20

06:12

msointl.dll.x64.1050

msointl.dll

16.0.5056.1000

1766240

12-Aug-20

06:12

msointl.dll.x64.1038

msointl.dll

16.0.5056.1000

1975648

12-Aug-20

05:42

msointl.dll.x64.1057

msointl.dll

16.0.5056.1000

1645920

12-Aug-20

05:42

msointl.dll.x64.1040

msointl.dll

16.0.5056.1000

1790816

12-Aug-20

06:12

msointl.dll.x64.1041

msointl.dll

16.0.5056.1000

2036568

12-Aug-20

06:12

msointl.dll.x64.1087

msointl.dll

16.0.5056.1000

2128248

12-Aug-20

06:12

msointl.dll.x64.1099

msointl.dll

16.0.5056.1000

1964408

12-Aug-20

06:04

msointl.dll.x64.1042

msointl.dll

16.0.5056.1000

2793336

12-Aug-20

06:12

msointl.dll.x64.1063

msointl.dll

16.0.5056.1000

1869688

12-Aug-20

06:12

msointl.dll.x64.1062

msointl.dll

16.0.5056.1000

1855856

12-Aug-20

06:12

msointl.dll.x64.1086

msointl.dll

16.0.5056.1000

1673584

12-Aug-20

05:42

msointl.dll.x64.1044

msointl.dll

16.0.5056.1000

1745272

12-Aug-20

06:12

msointl.dll.x64.1043

msointl.dll

16.0.5056.1000

1795448

12-Aug-20

06:12

msointl.dll.x64.1045

msointl.dll

16.0.5056.1000

1941336

12-Aug-20

06:12

msointl.dll.x64.1046

msointl.dll

16.0.5056.1000

1853784

12-Aug-20

06:12

msointl.dll.x64.2070

msointl.dll

16.0.5056.1000

1860472

12-Aug-20

06:12

msointl.dll.x64.1048

msointl.dll

16.0.5056.1000

1986904

12-Aug-20

06:12

msointl.dll.x64.1049

msointl.dll

16.0.5056.1000

1928024

12-Aug-20

06:12

msointl.dll.x64.1051

msointl.dll

16.0.5056.1000

1996152

12-Aug-20

05:42

msointl.dll.x64.1060

msointl.dll

16.0.5056.1000

1832312

12-Aug-20

05:42

msointl.dll.x64.2074

msointl.dll

16.0.5056.1000

1790328

12-Aug-20

06:12

msointl.dll.x64.9242

msointl.dll

16.0.5056.1000

1818968

12-Aug-20

06:12

msointl.dll.x64.1053

msointl.dll

16.0.5056.1000

1759072

12-Aug-20

06:12

msointl.dll.x64.1054

msointl.dll

16.0.5056.1000

1851232

12-Aug-20

06:12

msointl.dll.x64.1055

msointl.dll

16.0.5056.1000

2023264

12-Aug-20

06:12

msointl.dll.x64.1058

msointl.dll

16.0.5056.1000

1915744

12-Aug-20

06:12

msointl.dll.x64.1066

msointl.dll

16.0.5056.1000

2029936

12-Aug-20

05:42

msointl.dll.x64.2052

msointl.dll

16.0.5056.1000

2346272

12-Aug-20

06:12

msointl.dll.x64.1028

msointl.dll

16.0.5056.1000

2353960

12-Aug-20

06:12

msointl.dll.x86.1025

msointl.dll

16.0.4927.1000

3287904

12-Aug-20

05:45

msointl.dll.x86.1026

msointl.dll

16.0.4927.1000

1886048

12-Aug-20

05:41

msointl.dll.x86.1029

msointl.dll

16.0.4927.1000

1928032

12-Aug-20

05:45

msointl.dll.x86.1030

msointl.dll

16.0.4927.1000

1758040

12-Aug-20

05:45

msointl.dll.x86.1031

msointl.dll

16.0.4927.1000

1948216

12-Aug-20

05:45

msointl.dll.x86.1032

msointl.dll

16.0.4927.1000

2057048

12-Aug-20

05:45

msointl.dll.x86.3082

msointl.dll

16.0.4927.1000

1826360

12-Aug-20

05:45

msointl.dll.x86.1061

msointl.dll

16.0.4927.1000

1731664

12-Aug-20

05:41

msointl.dll.x86.1035

msointl.dll

16.0.4927.1000

1738504

12-Aug-20

05:45

msointl.dll.x86.1036

msointl.dll

16.0.4927.1000

1975360

12-Aug-20

05:45

msointl.dll.x86.1037

msointl.dll

16.0.4927.1000

2907936

12-Aug-20

05:45

msointl.dll.x86.1081

msointl.dll

16.0.4927.1000

1952312

12-Aug-20

05:45

msointl.dll.x86.1050

msointl.dll

16.0.4927.1000

1742088

12-Aug-20

05:45

msointl.dll.x86.1038

msointl.dll

16.0.4927.1000

1951584

12-Aug-20

05:41

msointl.dll.x86.1057

msointl.dll

16.0.4927.1000

1621848

12-Aug-20

05:41

msointl.dll.x86.1040

msointl.dll

16.0.4927.1000

1766240

12-Aug-20

05:45

msointl.dll.x86.1041

msointl.dll

16.0.4927.1000

2012512

12-Aug-20

05:45

msointl.dll.x86.1087

msointl.dll

16.0.4927.1000

2103648

12-Aug-20

05:45

msointl.dll.x86.1042

msointl.dll

16.0.4927.1000

2768736

12-Aug-20

05:45

msointl.dll.x86.1063

msointl.dll

16.0.4927.1000

1845808

12-Aug-20

05:46

msointl.dll.x86.1062

msointl.dll

16.0.4927.1000

1832016

12-Aug-20

05:46

msointl.dll.x86.1086

msointl.dll

16.0.4927.1000

1649232

12-Aug-20

05:41

msointl.dll.x86.1044

msointl.dll

16.0.4927.1000

1721624

12-Aug-20

05:46

msointl.dll.x86.1043

msointl.dll

16.0.4927.1000

1771264

12-Aug-20

05:46

msointl.dll.x86.1045

msointl.dll

16.0.4927.1000

1917280

12-Aug-20

05:46

msointl.dll.x86.1046

msointl.dll

16.0.4927.1000

1829656

12-Aug-20

05:46

msointl.dll.x86.2070

msointl.dll

16.0.4927.1000

1836312

12-Aug-20

05:46

msointl.dll.x86.1048

msointl.dll

16.0.4927.1000

1963064

12-Aug-20

05:46

msointl.dll.x86.1049

msointl.dll

16.0.4927.1000

1904384

12-Aug-20

05:46

msointl.dll.x86.1051

msointl.dll

16.0.4927.1000

1971552

12-Aug-20

05:41

msointl.dll.x86.1060

msointl.dll

16.0.4927.1000

1807712

12-Aug-20

05:41

msointl.dll.x86.2074

msointl.dll

16.0.4927.1000

1765936

12-Aug-20

05:46

msointl.dll.x86.9242

msointl.dll

16.0.4927.1000

1794912

12-Aug-20

05:46

msointl.dll.x86.1053

msointl.dll

16.0.4927.1000

1734912

12-Aug-20

05:46

msointl.dll.x86.1054

msointl.dll

16.0.4927.1000

1827376

12-Aug-20

05:46

msointl.dll.x86.1055

msointl.dll

16.0.4927.1000

1998680

12-Aug-20

05:46

msointl.dll.x86.1058

msointl.dll

16.0.4927.1000

1891896

12-Aug-20

05:46

msointl.dll.x86.1066

msointl.dll

16.0.4927.1000

2005552

12-Aug-20

05:41

msointl.dll.x86.2052

msointl.dll

16.0.4927.1000

2321704

12-Aug-20

05:46

msointl.dll.x86.1028

msointl.dll

16.0.4927.1000

2329384

12-Aug-20

05:46

conversion.office.msores.dll

msores.dll

16.0.4795.1000

81683088

11-Aug-20

04:27

msores.dll

msores.dll

16.0.4795.1000

81683088

11-Aug-20

04:23

ppt.conversion.msores.dll

msores.dll

16.0.4795.1000

81683088

ppt.edit.msores.dll

msores.dll

16.0.4795.1000

81683088

wac.office.msores.dll

msores.dll

16.0.4795.1000

81683088

msores.dll

msores.dll

16.0.4795.1000

81683304

11-Aug-20

04:23

msores.dll.x86

msores.dll

16.0.4795.1000

81683304

11-Aug-20

04:34

mso.dll.x64

mso.dll

16.0.5056.1000

19855200

12-Aug-20

05:36

mso.dll.x86

mso.dll

16.0.5056.1000

14403456

12-Aug-20

05:32

msointl.dll.x64.1033

msointl.dll

16.0.4927.1000

1564424

11-Aug-20

04:28

msointl.dll.x86.1033

msointl.dll

16.0.4927.1000

1539640

11-Aug-20

04:22

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