Summary

This update resolves a security feature bypass vulnerability that exists if Microsoft Outlook or another relevant product does not enforce security settings that are configured on a system. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1229.

Note To apply this 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?).

Improvements and fixes

This update contains the following fix:

  • Fixes an issue in Office Visual Basic Application projects that's related to the references searching.

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: June 9, 2020.

Security update replacement information

This security update replaces previously released security update 4484214.

File hash information

File name

SHA1 hash

SHA256 hash

mso2016-kb4484342-fullfile-x86-glb.exe

0F836C98C3334DAE154027E9B2A77CCFBBFC6A2C

B1D356C40EE821B2F443DA8CF2E9D21211DFD573B8F6A0446D6A5E8164D7363C

mso2016-kb4484342-fullfile-x64-glb.exe

9EF493D43656F07AAACD7B8C51C494C0E44ED5F7

25CDD06A6895EE8374C2814DA8B1C7B78A54AA0D33614948EE452FAE7758219E


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

20-May-20

01:36

msointl.dll.x86.1025

msointl.dll

16.0.4927.1000

3287904

21-May-20

03:06

msointl.dll.x86.1026

msointl.dll

16.0.4927.1000

1886048

21-May-20

03:01

msointl.dll.x86.1027

msointl.dll

16.0.4927.1000

1817952

21-May-20

03:22

msointl.dll.x86.1029

msointl.dll

16.0.4927.1000

1928032

21-May-20

03:06

msointl.dll.x86.1030

msointl.dll

16.0.4927.1000

1758040

21-May-20

03:06

msointl.dll.x86.1031

msointl.dll

16.0.4927.1000

1948216

21-May-20

03:06

msointl.dll.x86.1032

msointl.dll

16.0.4927.1000

2057048

21-May-20

03:06

msointl.dll.x86.3082

msointl.dll

16.0.4927.1000

1826360

21-May-20

03:06

msointl.dll.x86.1061

msointl.dll

16.0.4927.1000

1731664

21-May-20

03:01

msointl.dll.x86.1069

msointl.dll

16.0.4927.1000

1740640

21-May-20

03:22

msointl.dll.x86.1035

msointl.dll

16.0.4927.1000

1738504

21-May-20

03:06

msointl.dll.x86.1036

msointl.dll

16.0.4927.1000

1975360

21-May-20

03:06

msointl.dll.x86.1110

msointl.dll

16.0.4927.1000

1774648

21-May-20

03:22

msointl.dll.x86.1095

msointl.dll

16.0.4927.1000

1830688

21-May-20

03:22

msointl.dll.x86.1037

msointl.dll

16.0.4927.1000

2907936

21-May-20

03:06

msointl.dll.x86.1081

msointl.dll

16.0.4927.1000

1952312

21-May-20

03:06

msointl.dll.x86.1050

msointl.dll

16.0.4927.1000

1742088

21-May-20

03:06

msointl.dll.x86.1038

msointl.dll

16.0.4927.1000

1951584

21-May-20

03:01

msointl.dll.x86.1057

msointl.dll

16.0.4927.1000

1621848

21-May-20

03:02

msointl.dll.x86.1040

msointl.dll

16.0.4927.1000

1766240

21-May-20

03:06

msointl.dll.x86.1041

msointl.dll

16.0.4927.1000

2012512

21-May-20

03:06

msointl.dll.x86.1087

msointl.dll

16.0.4927.1000

2103648

21-May-20

03:06

msointl.dll.x86.1099

msointl.dll

16.0.4927.1000

1940320

21-May-20

03:23

msointl.dll.x86.1042

msointl.dll

16.0.4927.1000

2768736

21-May-20

03:06

msointl.dll.x86.1063

msointl.dll

16.0.4927.1000

1845808

21-May-20

03:06

msointl.dll.x86.1062

msointl.dll

16.0.4927.1000

1832016

21-May-20

03:06

msointl.dll.x86.1086

msointl.dll

16.0.4927.1000

1649232

21-May-20

03:02

msointl.dll.x86.1044

msointl.dll

16.0.4927.1000

1721624

21-May-20

03:06

msointl.dll.x86.1043

msointl.dll

16.0.4927.1000

1771264

21-May-20

03:06

msointl.dll.x86.1045

msointl.dll

16.0.4927.1000

1917280

21-May-20

03:06

msointl.dll.x86.1046

msointl.dll

16.0.4927.1000

1829656

21-May-20

03:06

msointl.dll.x86.2070

msointl.dll

16.0.4927.1000

1836312

21-May-20

03:06

msointl.dll.x86.1048

msointl.dll

16.0.4927.1000

1963064

21-May-20

03:06

msointl.dll.x86.1049

msointl.dll

16.0.4927.1000

1904384

21-May-20

03:06

msointl.dll.x86.1051

msointl.dll

16.0.4927.1000

1971552

21-May-20

03:02

msointl.dll.x86.1060

msointl.dll

16.0.4927.1000

1807712

21-May-20

03:02

msointl.dll.x86.2074

msointl.dll

16.0.4927.1000

1765936

21-May-20

03:07

msointl.dll.x86.9242

msointl.dll

16.0.4927.1000

1794912

21-May-20

03:07

msointl.dll.x86.1053

msointl.dll

16.0.4927.1000

1734912

21-May-20

03:07

msointl.dll.x86.1054

msointl.dll

16.0.4927.1000

1827376

21-May-20

03:07

msointl.dll.x86.1055

msointl.dll

16.0.4927.1000

1998680

21-May-20

03:07

msointl.dll.x86.1058

msointl.dll

16.0.4927.1000

1891896

21-May-20

03:07

msointl.dll.x86.1066

msointl.dll

16.0.4927.1000

2005552

21-May-20

03:02

msointl.dll.x86.2052

msointl.dll

16.0.4927.1000

2321704

21-May-20

03:07

msointl.dll.x86.1028

msointl.dll

16.0.4927.1000

2329384

21-May-20

03:07

msores.dll

msores.dll

16.0.4795.1000

81683304

20-May-20

01:36

msores.dll.x86

msores.dll

16.0.4795.1000

81683304

20-May-20

01:48

mso.dll.x86

mso.dll

16.0.5017.1000

14403448

20-May-20

01:36

msointl.dll.x86.1033

msointl.dll

16.0.4927.1000

1539640

20-May-20

01:36

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.4999.1000

817352

20-May-20

01:47

msointl.dll.x64.1025

msointl.dll

16.0.5017.1001

3324776

21-May-20

02:54

msointl.dll.x64.1026

msointl.dll

16.0.5017.1001

1910112

21-May-20

02:23

msointl.dll.x64.1027

msointl.dll

16.0.5017.1001

1842024

21-May-20

02:45

msointl.dll.x64.1029

msointl.dll

16.0.5017.1001

1952096

21-May-20

02:54

msointl.dll.x64.1030

msointl.dll

16.0.5017.1001

1782112

21-May-20

02:54

msointl.dll.x64.1031

msointl.dll

16.0.5017.1001

1972584

21-May-20

02:53

msointl.dll.x64.1032

msointl.dll

16.0.5017.1001

2081624

21-May-20

02:54

msointl.dll.x64.3082

msointl.dll

16.0.5017.1001

1850712

21-May-20

02:53

msointl.dll.x64.1061

msointl.dll

16.0.5017.1001

1755504

21-May-20

02:23

msointl.dll.x64.1069

msointl.dll

16.0.5017.1001

1764696

21-May-20

02:45

msointl.dll.x64.1035

msointl.dll

16.0.5017.1001

1762648

21-May-20

02:54

msointl.dll.x64.1036

msointl.dll

16.0.5017.1001

1999216

21-May-20

02:53

msointl.dll.x64.1110

msointl.dll

16.0.5017.1001

1799008

21-May-20

02:45

msointl.dll.x64.1095

msointl.dll

16.0.5017.1001

1854808

21-May-20

02:45

msointl.dll.x64.1037

msointl.dll

16.0.5017.1001

2944800

21-May-20

02:54

msointl.dll.x64.1081

msointl.dll

16.0.5017.1001

1976680

21-May-20

02:54

msointl.dll.x64.1050

msointl.dll

16.0.5017.1001

1766232

21-May-20

02:54

msointl.dll.x64.1038

msointl.dll

16.0.5017.1001

1975664

21-May-20

02:23

msointl.dll.x64.1057

msointl.dll

16.0.5017.1001

1645928

21-May-20

02:23

msointl.dll.x64.1040

msointl.dll

16.0.5017.1001

1790824

21-May-20

02:53

msointl.dll.x64.1041

msointl.dll

16.0.5017.1001

2036592

21-May-20

02:53

msointl.dll.x64.1087

msointl.dll

16.0.5017.1001

2128216

21-May-20

02:54

msointl.dll.x64.1099

msointl.dll

16.0.5017.1001

1964400

21-May-20

02:46

msointl.dll.x64.1042

msointl.dll

16.0.5017.1001

2793320

21-May-20

02:53

msointl.dll.x64.1063

msointl.dll

16.0.5017.1001

1869680

21-May-20

02:54

msointl.dll.x64.1062

msointl.dll

16.0.5017.1001

1855832

21-May-20

02:54

msointl.dll.x64.1086

msointl.dll

16.0.5017.1001

1673560

21-May-20

02:23

msointl.dll.x64.1044

msointl.dll

16.0.5017.1001

1745256

21-May-20

02:54

msointl.dll.x64.1043

msointl.dll

16.0.5017.1001

1795416

21-May-20

02:54

msointl.dll.x64.1045

msointl.dll

16.0.5017.1001

1941336

21-May-20

02:54

msointl.dll.x64.1046

msointl.dll

16.0.5017.1001

1853800

21-May-20

02:54

msointl.dll.x64.2070

msointl.dll

16.0.5017.1001

1860440

21-May-20

02:54

msointl.dll.x64.1048

msointl.dll

16.0.5017.1001

1986920

21-May-20

02:54

msointl.dll.x64.1049

msointl.dll

16.0.5017.1001

1928048

21-May-20

02:54

msointl.dll.x64.1051

msointl.dll

16.0.5017.1001

1996136

21-May-20

02:23

msointl.dll.x64.1060

msointl.dll

16.0.5017.1001

1832296

21-May-20

02:23

msointl.dll.x64.2074

msointl.dll

16.0.5017.1001

1790296

21-May-20

02:54

msointl.dll.x64.9242

msointl.dll

16.0.5017.1001

1818984

21-May-20

02:54

msointl.dll.x64.1053

msointl.dll

16.0.5017.1001

1759064

21-May-20

02:54

msointl.dll.x64.1054

msointl.dll

16.0.5017.1001

1851224

21-May-20

02:54

msointl.dll.x64.1055

msointl.dll

16.0.5017.1001

2023256

21-May-20

02:54

msointl.dll.x64.1058

msointl.dll

16.0.5017.1001

1915736

21-May-20

02:54

msointl.dll.x64.1066

msointl.dll

16.0.5017.1001

2029928

21-May-20

02:23

msointl.dll.x64.2052

msointl.dll

16.0.5017.1001

2346272

21-May-20

02:53

msointl.dll.x64.1028

msointl.dll

16.0.5017.1001

2353968

21-May-20

02:53

msointl.dll.x86.1025

msointl.dll

16.0.4927.1000

3287904

21-May-20

03:06

msointl.dll.x86.1026

msointl.dll

16.0.4927.1000

1886048

21-May-20

03:01

msointl.dll.x86.1029

msointl.dll

16.0.4927.1000

1928032

21-May-20

03:06

msointl.dll.x86.1030

msointl.dll

16.0.4927.1000

1758040

21-May-20

03:06

msointl.dll.x86.1031

msointl.dll

16.0.4927.1000

1948216

21-May-20

03:06

msointl.dll.x86.1032

msointl.dll

16.0.4927.1000

2057048

21-May-20

03:06

msointl.dll.x86.3082

msointl.dll

16.0.4927.1000

1826360

21-May-20

03:06

msointl.dll.x86.1061

msointl.dll

16.0.4927.1000

1731664

21-May-20

03:01

msointl.dll.x86.1035

msointl.dll

16.0.4927.1000

1738504

21-May-20

03:06

msointl.dll.x86.1036

msointl.dll

16.0.4927.1000

1975360

21-May-20

03:06

msointl.dll.x86.1037

msointl.dll

16.0.4927.1000

2907936

21-May-20

03:06

msointl.dll.x86.1081

msointl.dll

16.0.4927.1000

1952312

21-May-20

03:06

msointl.dll.x86.1050

msointl.dll

16.0.4927.1000

1742088

21-May-20

03:06

msointl.dll.x86.1038

msointl.dll

16.0.4927.1000

1951584

21-May-20

03:01

msointl.dll.x86.1057

msointl.dll

16.0.4927.1000

1621848

21-May-20

03:02

msointl.dll.x86.1040

msointl.dll

16.0.4927.1000

1766240

21-May-20

03:06

msointl.dll.x86.1041

msointl.dll

16.0.4927.1000

2012512

21-May-20

03:06

msointl.dll.x86.1087

msointl.dll

16.0.4927.1000

2103648

21-May-20

03:06

msointl.dll.x86.1042

msointl.dll

16.0.4927.1000

2768736

21-May-20

03:06

msointl.dll.x86.1063

msointl.dll

16.0.4927.1000

1845808

21-May-20

03:06

msointl.dll.x86.1062

msointl.dll

16.0.4927.1000

1832016

21-May-20

03:06

msointl.dll.x86.1086

msointl.dll

16.0.4927.1000

1649232

21-May-20

03:02

msointl.dll.x86.1044

msointl.dll

16.0.4927.1000

1721624

21-May-20

03:06

msointl.dll.x86.1043

msointl.dll

16.0.4927.1000

1771264

21-May-20

03:06

msointl.dll.x86.1045

msointl.dll

16.0.4927.1000

1917280

21-May-20

03:06

msointl.dll.x86.1046

msointl.dll

16.0.4927.1000

1829656

21-May-20

03:06

msointl.dll.x86.2070

msointl.dll

16.0.4927.1000

1836312

21-May-20

03:06

msointl.dll.x86.1048

msointl.dll

16.0.4927.1000

1963064

21-May-20

03:06

msointl.dll.x86.1049

msointl.dll

16.0.4927.1000

1904384

21-May-20

03:06

msointl.dll.x86.1051

msointl.dll

16.0.4927.1000

1971552

21-May-20

03:02

msointl.dll.x86.1060

msointl.dll

16.0.4927.1000

1807712

21-May-20

03:02

msointl.dll.x86.2074

msointl.dll

16.0.4927.1000

1765936

21-May-20

03:07

msointl.dll.x86.9242

msointl.dll

16.0.4927.1000

1794912

21-May-20

03:07

msointl.dll.x86.1053

msointl.dll

16.0.4927.1000

1734912

21-May-20

03:07

msointl.dll.x86.1054

msointl.dll

16.0.4927.1000

1827376

21-May-20

03:07

msointl.dll.x86.1055

msointl.dll

16.0.4927.1000

1998680

21-May-20

03:07

msointl.dll.x86.1058

msointl.dll

16.0.4927.1000

1891896

21-May-20

03:07

msointl.dll.x86.1066

msointl.dll

16.0.4927.1000

2005552

21-May-20

03:02

msointl.dll.x86.2052

msointl.dll

16.0.4927.1000

2321704

21-May-20

03:07

msointl.dll.x86.1028

msointl.dll

16.0.4927.1000

2329384

21-May-20

03:07

conversion.office.msores.dll

msores.dll

16.0.4795.1000

81683088

20-May-20

01:41

msores.dll

msores.dll

16.0.4795.1000

81683088

20-May-20

01:36

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

20-May-20

01:36

msores.dll.x86

msores.dll

16.0.4795.1000

81683304

20-May-20

01:48

mso.dll.x64

mso.dll

16.0.5017.1000

19856248

20-May-20

01:42

mso.dll.x86

mso.dll

16.0.5017.1000

14403448

20-May-20

01:36

msointl.dll.x64.1033

msointl.dll

16.0.4927.1000

1564424

20-May-20

01:42

msointl.dll.x86.1033

msointl.dll

16.0.4927.1000

1539640

20-May-20

01:36

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