Summary

This security update resolves a remote code execution vulnerability exists if Microsoft Office incorrectly loads arbitrary type libraries. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-0760.

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?).

Known issues

Some types of Visual Basic for Applications (VBA) references might be affected by this update. For more information, see FAQ for VBA solutions affected by April 2020 Office security updates.

Note This change in behavior is caused by a design change in Office. The new behavior is by design. Therefore, a fix is not necessary and no mitigation will be provided.

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: April 14, 2020.

Security update replacement information

This security update replaces previously released security update 4475583.

File hash information

File name

SHA1 hash

SHA256 hash

mso2016-kb4484214-fullfile-x86-glb.exe

EF2DDA39DE391E330A92AE6086F429C067D8DA9E

801101C11EFE6FA9B3CD396E6D12B32F6FC220CC4494340A0B4CE0F95C72664E

mso2016-kb4484214-fullfile-x64-glb.exe

A6001BE48B5C531529C2D0D3FDBBBE7FE1DEBFC2

ED29C165429E1CF1790C81C1FD065A38D91AF9D1D0A81F657166A181E3C699D8


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

16.0.4993.1002

771872

29-Mar-20

03:59

msointl.dll.x86.1025

msointl.dll

16.0.4927.1000

3287904

28-Mar-20

03:36

msointl.dll.x86.1026

msointl.dll

16.0.4927.1000

1886048

28-Mar-20

03:36

msointl.dll.x86.1027

msointl.dll

16.0.4927.1000

1817952

28-Mar-20

03:56

msointl.dll.x86.1029

msointl.dll

16.0.4927.1000

1928032

28-Mar-20

03:36

msointl.dll.x86.1030

msointl.dll

16.0.4927.1000

1758040

28-Mar-20

03:36

msointl.dll.x86.1031

msointl.dll

16.0.4927.1000

1948216

28-Mar-20

03:36

msointl.dll.x86.1032

msointl.dll

16.0.4927.1000

2057048

28-Mar-20

03:36

msointl.dll.x86.3082

msointl.dll

16.0.4927.1000

1826360

28-Mar-20

03:36

msointl.dll.x86.1061

msointl.dll

16.0.4927.1000

1731664

28-Mar-20

03:36

msointl.dll.x86.1069

msointl.dll

16.0.4927.1000

1740640

28-Mar-20

03:56

msointl.dll.x86.1035

msointl.dll

16.0.4927.1000

1738504

28-Mar-20

03:36

msointl.dll.x86.1036

msointl.dll

16.0.4927.1000

1975360

28-Mar-20

03:36

msointl.dll.x86.1110

msointl.dll

16.0.4927.1000

1774648

28-Mar-20

03:56

msointl.dll.x86.1095

msointl.dll

16.0.4927.1000

1830688

28-Mar-20

03:56

msointl.dll.x86.1037

msointl.dll

16.0.4927.1000

2907936

28-Mar-20

03:36

msointl.dll.x86.1081

msointl.dll

16.0.4927.1000

1952312

28-Mar-20

03:36

msointl.dll.x86.1050

msointl.dll

16.0.4927.1000

1742088

28-Mar-20

03:36

msointl.dll.x86.1038

msointl.dll

16.0.4927.1000

1951584

28-Mar-20

03:36

msointl.dll.x86.1057

msointl.dll

16.0.4927.1000

1621848

28-Mar-20

03:36

msointl.dll.x86.1040

msointl.dll

16.0.4927.1000

1766240

28-Mar-20

03:36

msointl.dll.x86.1041

msointl.dll

16.0.4927.1000

2012512

28-Mar-20

03:36

msointl.dll.x86.1087

msointl.dll

16.0.4927.1000

2103648

28-Mar-20

03:36

msointl.dll.x86.1099

msointl.dll

16.0.4927.1000

1940320

28-Mar-20

03:56

msointl.dll.x86.1042

msointl.dll

16.0.4927.1000

2768736

28-Mar-20

03:36

msointl.dll.x86.1063

msointl.dll

16.0.4927.1000

1845808

28-Mar-20

03:36

msointl.dll.x86.1062

msointl.dll

16.0.4927.1000

1832016

28-Mar-20

03:36

msointl.dll.x86.1086

msointl.dll

16.0.4927.1000

1649232

28-Mar-20

03:36

msointl.dll.x86.1044

msointl.dll

16.0.4927.1000

1721624

28-Mar-20

03:36

msointl.dll.x86.1043

msointl.dll

16.0.4927.1000

1771264

28-Mar-20

03:36

msointl.dll.x86.1045

msointl.dll

16.0.4927.1000

1917280

28-Mar-20

03:36

msointl.dll.x86.1046

msointl.dll

16.0.4927.1000

1829656

28-Mar-20

03:36

msointl.dll.x86.2070

msointl.dll

16.0.4927.1000

1836312

28-Mar-20

03:36

msointl.dll.x86.1048

msointl.dll

16.0.4927.1000

1963064

28-Mar-20

03:36

msointl.dll.x86.1049

msointl.dll

16.0.4927.1000

1904384

28-Mar-20

03:37

msointl.dll.x86.1051

msointl.dll

16.0.4927.1000

1971552

28-Mar-20

03:37

msointl.dll.x86.1060

msointl.dll

16.0.4927.1000

1807712

28-Mar-20

03:37

msointl.dll.x86.2074

msointl.dll

16.0.4927.1000

1765936

28-Mar-20

03:37

msointl.dll.x86.9242

msointl.dll

16.0.4927.1000

1794912

28-Mar-20

03:37

msointl.dll.x86.1053

msointl.dll

16.0.4927.1000

1734912

28-Mar-20

03:37

msointl.dll.x86.1054

msointl.dll

16.0.4927.1000

1827376

28-Mar-20

03:37

msointl.dll.x86.1055

msointl.dll

16.0.4927.1000

1998680

28-Mar-20

03:37

msointl.dll.x86.1058

msointl.dll

16.0.4927.1000

1891896

28-Mar-20

03:37

msointl.dll.x86.1066

msointl.dll

16.0.4927.1000

2005552

28-Mar-20

03:37

msointl.dll.x86.2052

msointl.dll

16.0.4927.1000

2321704

28-Mar-20

03:37

msointl.dll.x86.1028

msointl.dll

16.0.4927.1000

2329384

28-Mar-20

03:37

msores.dll

msores.dll

16.0.4795.1000

81683304

28-Mar-20

02:38

msores.dll.x86

msores.dll

16.0.4795.1000

81683304

28-Mar-20

02:42

mso.dll.x86

mso.dll

16.0.4993.1002

14402912

29-Mar-20

03:58

msointl.dll.x86.1033

msointl.dll

16.0.4927.1000

1539640

28-Mar-20

02:37

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.4993.1002

817176

29-Mar-20

03:59

msointl.dll.x64.1025

msointl.dll

16.0.4993.1002

3324768

29-Mar-20

04:29

msointl.dll.x64.1026

msointl.dll

16.0.4993.1002

1910112

29-Mar-20

04:04

msointl.dll.x64.1027

msointl.dll

16.0.4993.1002

1842016

29-Mar-20

04:22

msointl.dll.x64.1029

msointl.dll

16.0.4993.1002

1952088

29-Mar-20

04:29

msointl.dll.x64.1030

msointl.dll

16.0.4993.1002

1782104

29-Mar-20

04:29

msointl.dll.x64.1031

msointl.dll

16.0.4993.1002

1972568

29-Mar-20

04:29

msointl.dll.x64.1032

msointl.dll

16.0.4993.1002

2081624

29-Mar-20

04:29

msointl.dll.x64.3082

msointl.dll

16.0.4993.1002

1850720

29-Mar-20

04:29

msointl.dll.x64.1061

msointl.dll

16.0.4993.1002

1755480

29-Mar-20

04:04

msointl.dll.x64.1069

msointl.dll

16.0.4993.1002

1764704

29-Mar-20

04:22

msointl.dll.x64.1035

msointl.dll

16.0.4993.1002

1762656

29-Mar-20

04:29

msointl.dll.x64.1036

msointl.dll

16.0.4993.1002

1999216

29-Mar-20

04:29

msointl.dll.x64.1110

msointl.dll

16.0.4993.1002

1799000

29-Mar-20

04:22

msointl.dll.x64.1095

msointl.dll

16.0.4993.1002

1854816

29-Mar-20

04:22

msointl.dll.x64.1037

msointl.dll

16.0.4993.1002

2944808

29-Mar-20

04:29

msointl.dll.x64.1081

msointl.dll

16.0.4993.1002

1976672

29-Mar-20

04:29

msointl.dll.x64.1050

msointl.dll

16.0.4993.1002

1766240

29-Mar-20

04:29

msointl.dll.x64.1038

msointl.dll

16.0.4993.1002

1975648

29-Mar-20

04:04

msointl.dll.x64.1057

msointl.dll

16.0.4993.1002

1645920

29-Mar-20

04:04

msointl.dll.x64.1040

msointl.dll

16.0.4993.1002

1790816

29-Mar-20

04:29

msointl.dll.x64.1041

msointl.dll

16.0.4993.1002

2036576

29-Mar-20

04:29

msointl.dll.x64.1087

msointl.dll

16.0.4993.1002

2128216

29-Mar-20

04:29

msointl.dll.x64.1099

msointl.dll

16.0.4993.1002

1964384

29-Mar-20

04:23

msointl.dll.x64.1042

msointl.dll

16.0.4993.1002

2793520

29-Mar-20

04:29

msointl.dll.x64.1063

msointl.dll

16.0.4993.1002

1869872

29-Mar-20

04:29

msointl.dll.x64.1062

msointl.dll

16.0.4993.1002

1855840

29-Mar-20

04:29

msointl.dll.x64.1086

msointl.dll

16.0.4993.1002

1673784

29-Mar-20

04:04

msointl.dll.x64.1044

msointl.dll

16.0.4993.1002

1745696

29-Mar-20

04:29

msointl.dll.x64.1043

msointl.dll

16.0.4993.1002

1795640

29-Mar-20

04:29

msointl.dll.x64.1045

msointl.dll

16.0.4993.1002

1941552

29-Mar-20

04:29

msointl.dll.x64.1046

msointl.dll

16.0.4993.1002

1854008

29-Mar-20

04:29

msointl.dll.x64.2070

msointl.dll

16.0.4993.1002

1860872

29-Mar-20

04:29

msointl.dll.x64.1048

msointl.dll

16.0.4993.1002

1987152

29-Mar-20

04:29

msointl.dll.x64.1049

msointl.dll

16.0.4993.1002

1928456

29-Mar-20

04:29

msointl.dll.x64.1051

msointl.dll

16.0.4993.1002

1996552

29-Mar-20

04:04

msointl.dll.x64.1060

msointl.dll

16.0.4993.1002

1832504

29-Mar-20

04:04

msointl.dll.x64.2074

msointl.dll

16.0.4993.1002

1790304

29-Mar-20

04:29

msointl.dll.x64.9242

msointl.dll

16.0.4993.1002

1819192

29-Mar-20

04:29

msointl.dll.x64.1053

msointl.dll

16.0.4993.1002

1759312

29-Mar-20

04:29

msointl.dll.x64.1054

msointl.dll

16.0.4993.1002

1851232

29-Mar-20

04:29

msointl.dll.x64.1055

msointl.dll

16.0.4993.1002

2023264

29-Mar-20

04:29

msointl.dll.x64.1058

msointl.dll

16.0.4993.1002

1915952

29-Mar-20

04:29

msointl.dll.x64.1066

msointl.dll

16.0.4993.1002

2029920

29-Mar-20

04:04

msointl.dll.x64.2052

msointl.dll

16.0.4993.1002

2346272

29-Mar-20

04:29

msointl.dll.x64.1028

msointl.dll

16.0.4993.1002

2353960

29-Mar-20

04:29

msointl.dll.x86.1025

msointl.dll

16.0.4927.1000

3287904

28-Mar-20

03:36

msointl.dll.x86.1026

msointl.dll

16.0.4927.1000

1886048

28-Mar-20

03:36

msointl.dll.x86.1029

msointl.dll

16.0.4927.1000

1928032

28-Mar-20

03:36

msointl.dll.x86.1030

msointl.dll

16.0.4927.1000

1758040

28-Mar-20

03:36

msointl.dll.x86.1031

msointl.dll

16.0.4927.1000

1948216

28-Mar-20

03:36

msointl.dll.x86.1032

msointl.dll

16.0.4927.1000

2057048

28-Mar-20

03:36

msointl.dll.x86.3082

msointl.dll

16.0.4927.1000

1826360

28-Mar-20

03:36

msointl.dll.x86.1061

msointl.dll

16.0.4927.1000

1731664

28-Mar-20

03:36

msointl.dll.x86.1035

msointl.dll

16.0.4927.1000

1738504

28-Mar-20

03:36

msointl.dll.x86.1036

msointl.dll

16.0.4927.1000

1975360

28-Mar-20

03:36

msointl.dll.x86.1037

msointl.dll

16.0.4927.1000

2907936

28-Mar-20

03:36

msointl.dll.x86.1081

msointl.dll

16.0.4927.1000

1952312

28-Mar-20

03:36

msointl.dll.x86.1050

msointl.dll

16.0.4927.1000

1742088

28-Mar-20

03:36

msointl.dll.x86.1038

msointl.dll

16.0.4927.1000

1951584

28-Mar-20

03:36

msointl.dll.x86.1057

msointl.dll

16.0.4927.1000

1621848

28-Mar-20

03:36

msointl.dll.x86.1040

msointl.dll

16.0.4927.1000

1766240

28-Mar-20

03:36

msointl.dll.x86.1041

msointl.dll

16.0.4927.1000

2012512

28-Mar-20

03:36

msointl.dll.x86.1087

msointl.dll

16.0.4927.1000

2103648

28-Mar-20

03:36

msointl.dll.x86.1042

msointl.dll

16.0.4927.1000

2768736

28-Mar-20

03:36

msointl.dll.x86.1063

msointl.dll

16.0.4927.1000

1845808

28-Mar-20

03:36

msointl.dll.x86.1062

msointl.dll

16.0.4927.1000

1832016

28-Mar-20

03:36

msointl.dll.x86.1086

msointl.dll

16.0.4927.1000

1649232

28-Mar-20

03:36

msointl.dll.x86.1044

msointl.dll

16.0.4927.1000

1721624

28-Mar-20

03:36

msointl.dll.x86.1043

msointl.dll

16.0.4927.1000

1771264

28-Mar-20

03:36

msointl.dll.x86.1045

msointl.dll

16.0.4927.1000

1917280

28-Mar-20

03:36

msointl.dll.x86.1046

msointl.dll

16.0.4927.1000

1829656

28-Mar-20

03:36

msointl.dll.x86.2070

msointl.dll

16.0.4927.1000

1836312

28-Mar-20

03:36

msointl.dll.x86.1048

msointl.dll

16.0.4927.1000

1963064

28-Mar-20

03:36

msointl.dll.x86.1049

msointl.dll

16.0.4927.1000

1904384

28-Mar-20

03:37

msointl.dll.x86.1051

msointl.dll

16.0.4927.1000

1971552

28-Mar-20

03:37

msointl.dll.x86.1060

msointl.dll

16.0.4927.1000

1807712

28-Mar-20

03:37

msointl.dll.x86.2074

msointl.dll

16.0.4927.1000

1765936

28-Mar-20

03:37

msointl.dll.x86.9242

msointl.dll

16.0.4927.1000

1794912

28-Mar-20

03:37

msointl.dll.x86.1053

msointl.dll

16.0.4927.1000

1734912

28-Mar-20

03:37

msointl.dll.x86.1054

msointl.dll

16.0.4927.1000

1827376

28-Mar-20

03:37

msointl.dll.x86.1055

msointl.dll

16.0.4927.1000

1998680

28-Mar-20

03:37

msointl.dll.x86.1058

msointl.dll

16.0.4927.1000

1891896

28-Mar-20

03:37

msointl.dll.x86.1066

msointl.dll

16.0.4927.1000

2005552

28-Mar-20

03:37

msointl.dll.x86.2052

msointl.dll

16.0.4927.1000

2321704

28-Mar-20

03:37

msointl.dll.x86.1028

msointl.dll

16.0.4927.1000

2329384

28-Mar-20

03:37

conversion.office.msores.dll

msores.dll

16.0.4795.1000

81683088

28-Mar-20

02:36

msores.dll

msores.dll

16.0.4795.1000

81683088

28-Mar-20

02:36

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

28-Mar-20

02:36

msores.dll.x86

msores.dll

16.0.4795.1000

81683304

28-Mar-20

02:42

mso.dll.x64

mso.dll

16.0.4993.1002

19856144

29-Mar-20

03:58

mso.dll.x86

mso.dll

16.0.4993.1002

14402912

29-Mar-20

03:58

msointl.dll.x64.1033

msointl.dll

16.0.4927.1000

1564424

28-Mar-20

02:37

msointl.dll.x86.1033

msointl.dll

16.0.4927.1000

1539640

28-Mar-20

02:37

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!

×