Summary

This security update resolves remote code execution vulnerabilities that exist when Microsoft Office incorrectly loads arbitrary type libraries. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2020-0760 and Microsoft Common Vulnerabilities and Exposures CVE-2020-0980.

Note To apply this security update, you must have the release version of Word 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.

Improvements and fixes

This security update contains a fix for the following nonsecurity issue:

  • When you select Next Row or Previous Row on the Row tab in the Table Properties dialog box, Word doesn't update the selection.

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 4484268.

File hash information

File name

SHA1 hash

SHA256 hash

word2016-kb4484300-fullfile-x86-glb.exe

02E5412E1818B96523CD742A1AE7C80F72D19695

3469557D3C49696790D057FB82BBBF23F1191295D8B1A1FA46C4EAA5DC531ACC

word2016-kb4484300-fullfile-x64-glb.exe

424FA021B98A11C7FC1E96E2CDC292384A5CE49C

5F84737CE81C86A010F6FC75A9F0E3B870539DC5F7B7C5B1136E13A79642346D


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

wwintl.dll_1025

wwintl.dll

16.0.4936.1000

823584

22-Mar-20

12:34

wwintl.dll_1026

wwintl.dll

16.0.4936.1000

820504

22-Mar-20

12:34

wwintl.dll_1029

wwintl.dll

16.0.4936.1000

876320

22-Mar-20

12:34

wwintl.dll_1030

wwintl.dll

16.0.4936.1000

807712

22-Mar-20

12:34

wwintl.dll_1031

wwintl.dll

16.0.4936.1000

888088

22-Mar-20

12:34

wwintl.dll_1032

wwintl.dll

16.0.4936.1000

877856

22-Mar-20

12:34

wwintl.dll_3082

wwintl.dll

16.0.4936.1000

847648

22-Mar-20

12:34

wwintl.dll_1061

wwintl.dll

16.0.4936.1000

770840

22-Mar-20

12:34

wwintl.dll_1035

wwintl.dll

16.0.4936.1000

818464

22-Mar-20

12:34

wwintl.dll_1036

wwintl.dll

16.0.4936.1000

883992

22-Mar-20

12:34

wwintl.dll_1037

wwintl.dll

16.0.4936.1000

762144

22-Mar-20

12:34

wwintl.dll_1081

wwintl.dll

16.0.4936.1000

865056

22-Mar-20

12:34

wwintl.dll_1050

wwintl.dll

16.0.4936.1000

830744

22-Mar-20

12:34

wwintl.dll_1038

wwintl.dll

16.0.4936.1000

886560

22-Mar-20

12:34

wwintl.dll_1057

wwintl.dll

16.0.4936.1000

779040

22-Mar-20

12:34

wwintl.dll_1040

wwintl.dll

16.0.4936.1000

838424

22-Mar-20

12:34

wwintl.dll_1041

wwintl.dll

16.0.4936.1000

790304

22-Mar-20

12:34

wwintl.dll_1087

wwintl.dll

16.0.4936.1000

880408

22-Mar-20

12:34

wwintl.dll_1042

wwintl.dll

16.0.4936.1000

783136

22-Mar-20

12:34

wwintl.dll_1063

wwintl.dll

16.0.4936.1000

836896

22-Mar-20

12:34

wwintl.dll_1062

wwintl.dll

16.0.4936.1000

824608

22-Mar-20

12:34

wwintl.dll_1086

wwintl.dll

16.0.4936.1000

782616

22-Mar-20

12:34

wwintl.dll_1044

wwintl.dll

16.0.4936.1000

797168

22-Mar-20

12:34

wwintl.dll_1043

wwintl.dll

16.0.4936.1000

835872

22-Mar-20

12:34

wwintl.dll_1045

wwintl.dll

16.0.4936.1000

852256

22-Mar-20

12:34

wwintl.dll_1046

wwintl.dll

16.0.4936.1000

853280

22-Mar-20

12:34

wwintl.dll_2070

wwintl.dll

16.0.4936.1000

861464

22-Mar-20

12:34

wwintl.dll_1048

wwintl.dll

16.0.4936.1000

896280

22-Mar-20

12:34

wwintl.dll_1049

wwintl.dll

16.0.4936.1000

809968

22-Mar-20

12:34

wwintl.dll_1051

wwintl.dll

16.0.4936.1000

891160

22-Mar-20

12:34

wwintl.dll_1060

wwintl.dll

16.0.4936.1000

821768

22-Mar-20

12:34

wwintl.dll_2074

wwintl.dll

16.0.4936.1000

817944

22-Mar-20

12:34

wwintl.dll_9242

wwintl.dll

16.0.4936.1000

817952

22-Mar-20

12:34

wwintl.dll_1053

wwintl.dll

16.0.4936.1000

803616

22-Mar-20

12:34

wwintl.dll_1054

wwintl.dll

16.0.4936.1000

825112

22-Mar-20

12:34

wwintl.dll_1055

wwintl.dll

16.0.4936.1000

881952

22-Mar-20

12:34

wwintl.dll_1058

wwintl.dll

16.0.4936.1000

820000

22-Mar-20

12:34

wwintl.dll_1066

wwintl.dll

16.0.4936.1000

912672

22-Mar-20

12:34

wwintl.dll_2052

wwintl.dll

16.0.4936.1000

697120

22-Mar-20

12:34

wwintl.dll_1028

wwintl.dll

16.0.4936.1000

706240

22-Mar-20

12:34

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

330960

21-Mar-20

10:57

pdfreflow.exe

pdfreflow.exe

16.0.4993.1001

10305840

22-Mar-20

01:37

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

701152

21-Mar-20

10:53

winword.exe

winword.exe

16.0.4993.1001

1937688

22-Mar-20

01:37

wrd12cnv.dll

wordcnv.dll

16.0.4993.1001

9177376

22-Mar-20

01:37

wwlib.dll

wwlib.dll

16.0.4993.1001

29616320

22-Mar-20

01:37

File identifier

File name

File version

File size

Date

Time

calligra.dll

calligra.dll

16.0.4528.1000

338688

22-Mar-20

12:51

wdsrv.conversion.word.wwintl.dll_1025

wwintl.dll

16.0.4993.1001

944840

22-Mar-20

01:34

wwintl.dll_1025

wwintl.dll

16.0.4993.1001

944840

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1026

wwintl.dll

16.0.4993.1001

899576

22-Mar-20

01:34

wwintl.dll_1026

wwintl.dll

16.0.4993.1001

899576

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1029

wwintl.dll

16.0.4993.1001

955672

22-Mar-20

01:34

wwintl.dll_1029

wwintl.dll

16.0.4993.1001

955672

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1030

wwintl.dll

16.0.4993.1001

886544

22-Mar-20

01:34

wwintl.dll_1030

wwintl.dll

16.0.4993.1001

886544

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1031

wwintl.dll

16.0.4993.1001

966944

22-Mar-20

01:34

wwintl.dll_1031

wwintl.dll

16.0.4993.1001

966944

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1032

wwintl.dll

16.0.4993.1001

957128

22-Mar-20

01:34

wwintl.dll_1032

wwintl.dll

16.0.4993.1001

957128

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_3082

wwintl.dll

16.0.4993.1001

926712

22-Mar-20

01:34

wwintl.dll_3082

wwintl.dll

16.0.4993.1001

926712

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1061

wwintl.dll

16.0.4993.1001

849912

22-Mar-20

01:34

wwintl.dll_1061

wwintl.dll

16.0.4993.1001

849912

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1035

wwintl.dll

16.0.4993.1001

897296

22-Mar-20

01:34

wwintl.dll_1035

wwintl.dll

16.0.4993.1001

897296

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1036

wwintl.dll

16.0.4993.1001

963272

22-Mar-20

01:34

wwintl.dll_1036

wwintl.dll

16.0.4993.1001

963272

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1037

wwintl.dll

16.0.4993.1001

883400

22-Mar-20

01:34

wwintl.dll_1037

wwintl.dll

16.0.4993.1001

883400

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1081

wwintl.dll

16.0.4993.1001

944840

22-Mar-20

01:34

wwintl.dll_1081

wwintl.dll

16.0.4993.1001

944840

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1050

wwintl.dll

16.0.4993.1001

909592

22-Mar-20

01:34

wwintl.dll_1050

wwintl.dll

16.0.4993.1001

909592

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1038

wwintl.dll

16.0.4993.1001

965624

22-Mar-20

01:34

wwintl.dll_1038

wwintl.dll

16.0.4993.1001

965624

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1057

wwintl.dll

16.0.4993.1001

858104

22-Mar-20

01:34

wwintl.dll_1057

wwintl.dll

16.0.4993.1001

858104

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1040

wwintl.dll

16.0.4993.1001

917272

22-Mar-20

01:34

wwintl.dll_1040

wwintl.dll

16.0.4993.1001

917272

22-Mar-20

01:34

wac.word.wwintl.dll_1041

wwintl.dll

16.0.4993.1001

869368

wdsrv.conversion.word.wwintl.dll_1041

wwintl.dll

16.0.4993.1001

869368

22-Mar-20

01:35

wwintl.dll_1041

wwintl.dll

16.0.4993.1001

869368

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1087

wwintl.dll

16.0.4993.1001

959992

22-Mar-20

01:34

wwintl.dll_1087

wwintl.dll

16.0.4993.1001

959992

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1042

wwintl.dll

16.0.4993.1001

862712

22-Mar-20

01:35

wwintl.dll_1042

wwintl.dll

16.0.4993.1001

862712

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1063

wwintl.dll

16.0.4993.1001

916256

22-Mar-20

01:34

wwintl.dll_1063

wwintl.dll

16.0.4993.1001

916256

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1062

wwintl.dll

16.0.4993.1001

903872

22-Mar-20

01:34

wwintl.dll_1062

wwintl.dll

16.0.4993.1001

903872

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1086

wwintl.dll

16.0.4993.1001

862400

22-Mar-20

01:34

wwintl.dll_1086

wwintl.dll

16.0.4993.1001

862400

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1044

wwintl.dll

16.0.4993.1001

875808

22-Mar-20

01:34

wwintl.dll_1044

wwintl.dll

16.0.4993.1001

875808

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1043

wwintl.dll

16.0.4993.1001

915224

22-Mar-20

01:34

wwintl.dll_1043

wwintl.dll

16.0.4993.1001

915224

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1045

wwintl.dll

16.0.4993.1001

932056

22-Mar-20

01:34

wwintl.dll_1045

wwintl.dll

16.0.4993.1001

932056

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_1046

wwintl.dll

16.0.4993.1001

932640

22-Mar-20

01:35

wwintl.dll_1046

wwintl.dll

16.0.4993.1001

932640

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_2070

wwintl.dll

16.0.4993.1001

940736

22-Mar-20

01:35

wwintl.dll_2070

wwintl.dll

16.0.4993.1001

940736

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1048

wwintl.dll

16.0.4993.1001

975640

22-Mar-20

01:35

wwintl.dll_1048

wwintl.dll

16.0.4993.1001

975640

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1049

wwintl.dll

16.0.4993.1001

889024

22-Mar-20

01:35

wwintl.dll_1049

wwintl.dll

16.0.4993.1001

889024

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1051

wwintl.dll

16.0.4993.1001

970968

22-Mar-20

01:35

wwintl.dll_1051

wwintl.dll

16.0.4993.1001

970968

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1060

wwintl.dll

16.0.4993.1001

900384

22-Mar-20

01:35

wwintl.dll_1060

wwintl.dll

16.0.4993.1001

900384

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_2074

wwintl.dll

16.0.4993.1001

897240

22-Mar-20

01:35

wwintl.dll_2074

wwintl.dll

16.0.4993.1001

897240

22-Mar-20

01:35

wac.word.wwintl.dll_9242

wwintl.dll

16.0.4993.1001

897216

wdsrv.conversion.word.wwintl.dll_9242

wwintl.dll

16.0.4993.1001

897216

22-Mar-20

01:35

wwintl.dll_9242

wwintl.dll

16.0.4993.1001

897216

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1053

wwintl.dll

16.0.4993.1001

882880

22-Mar-20

01:35

wwintl.dll_1053

wwintl.dll

16.0.4993.1001

882880

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1054

wwintl.dll

16.0.4993.1001

904384

22-Mar-20

01:35

wwintl.dll_1054

wwintl.dll

16.0.4993.1001

904384

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1055

wwintl.dll

16.0.4993.1001

961216

22-Mar-20

01:35

wwintl.dll_1055

wwintl.dll

16.0.4993.1001

961216

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1058

wwintl.dll

16.0.4993.1001

898848

22-Mar-20

01:35

wwintl.dll_1058

wwintl.dll

16.0.4993.1001

898848

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1066

wwintl.dll

16.0.4993.1001

992032

22-Mar-20

01:34

wwintl.dll_1066

wwintl.dll

16.0.4993.1001

992032

22-Mar-20

01:34

wdsrv.conversion.word.wwintl.dll_2052

wwintl.dll

16.0.4993.1001

775968

22-Mar-20

01:35

wwintl.dll_2052

wwintl.dll

16.0.4993.1001

775968

22-Mar-20

01:35

wdsrv.conversion.word.wwintl.dll_1028

wwintl.dll

16.0.4993.1001

784672

22-Mar-20

01:35

wwintl.dll_1028

wwintl.dll

16.0.4993.1001

784672

22-Mar-20

01:35

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

331168

21-Mar-20

10:58

pdfreflow.exe

pdfreflow.exe

16.0.4993.1001

15918888

22-Mar-20

01:36

wac.word.wwintl.dll_1033

wwintl.dll

16.0.4936.1000

780488

wdsrv.conversion.word.wwintl.dll_1033

wwintl.dll

16.0.4936.1000

780488

21-Mar-20

10:52

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

780488

21-Mar-20

10:52

winword.exe

winword.exe

16.0.4993.1001

1940768

22-Mar-20

01:36

wrd12cnv.dll

wordcnv.dll

16.0.4993.1001

11882784

22-Mar-20

01:36

wwlib.dll

wwlib.dll

16.0.4993.1001

37238048

22-Mar-20

01:36

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