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 Microsoft Common Vulnerabilities and Exposures CVE-2020-1503 and Microsoft Common Vulnerabilities and Exposures CVE-2020-1583.

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?).

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: August 11, 2020.

Security update replacement information

This security update replaces previously released security update 4484438.

File hash information

File name

SHA1 hash

SHA256 hash

word2016-kb4484474-fullfile-x86-glb.exe

274B6BF0441BFBFD59378D56707D3E0658B1F57A

99C21884289A11F8FBEC29E8A50AE2834EB59B79176BD9574C27211F16477ED6

word2016-kb4484474-fullfile-x64-glb.exe

5232E14A9C63F6F922C45224C459A2D2A5927439

A63E2A9BB6DBE2B2363DD659A53EEDBDCD91D18949F66415B6789A678725BAC0


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

genko.dll

genko.dll

16.0.5032.1000

402264

14-Jul-20

03:46

wwintl.dll_1025

wwintl.dll

16.0.4936.1000

823584

15-Jul-20

08:54

wwintl.dll_1026

wwintl.dll

16.0.4936.1000

820504

15-Jul-20

08:54

wwintl.dll_1029

wwintl.dll

16.0.4936.1000

876320

15-Jul-20

08:54

wwintl.dll_1030

wwintl.dll

16.0.4936.1000

807712

15-Jul-20

08:54

wwintl.dll_1031

wwintl.dll

16.0.4936.1000

888088

15-Jul-20

08:54

wwintl.dll_1032

wwintl.dll

16.0.4936.1000

877856

15-Jul-20

08:54

wwintl.dll_3082

wwintl.dll

16.0.4936.1000

847648

15-Jul-20

08:54

wwintl.dll_1061

wwintl.dll

16.0.4936.1000

770840

15-Jul-20

08:54

wwintl.dll_1035

wwintl.dll

16.0.4936.1000

818464

15-Jul-20

08:54

wwintl.dll_1036

wwintl.dll

16.0.4936.1000

883992

15-Jul-20

08:54

wwintl.dll_1037

wwintl.dll

16.0.4936.1000

762144

15-Jul-20

08:54

wwintl.dll_1081

wwintl.dll

16.0.4936.1000

865056

15-Jul-20

08:54

wwintl.dll_1050

wwintl.dll

16.0.4936.1000

830744

15-Jul-20

08:54

wwintl.dll_1038

wwintl.dll

16.0.4936.1000

886560

15-Jul-20

08:54

wwintl.dll_1057

wwintl.dll

16.0.4936.1000

779040

15-Jul-20

08:54

wwintl.dll_1040

wwintl.dll

16.0.4936.1000

838424

15-Jul-20

08:54

wwintl.dll_1041

wwintl.dll

16.0.4936.1000

790304

15-Jul-20

08:54

wwintl.dll_1087

wwintl.dll

16.0.4936.1000

880408

15-Jul-20

08:54

wwintl.dll_1042

wwintl.dll

16.0.4936.1000

783136

15-Jul-20

08:54

wwintl.dll_1063

wwintl.dll

16.0.4936.1000

836896

15-Jul-20

08:54

wwintl.dll_1062

wwintl.dll

16.0.4936.1000

824608

15-Jul-20

08:54

wwintl.dll_1086

wwintl.dll

16.0.4936.1000

782616

15-Jul-20

08:54

wwintl.dll_1044

wwintl.dll

16.0.4936.1000

797168

15-Jul-20

08:54

wwintl.dll_1043

wwintl.dll

16.0.4936.1000

835872

15-Jul-20

08:54

wwintl.dll_1045

wwintl.dll

16.0.4936.1000

852256

15-Jul-20

08:54

wwintl.dll_1046

wwintl.dll

16.0.4936.1000

853280

15-Jul-20

08:54

wwintl.dll_2070

wwintl.dll

16.0.4936.1000

861464

15-Jul-20

08:54

wwintl.dll_1048

wwintl.dll

16.0.4936.1000

896280

15-Jul-20

08:54

wwintl.dll_1049

wwintl.dll

16.0.4936.1000

809968

15-Jul-20

08:54

wwintl.dll_1051

wwintl.dll

16.0.4936.1000

891160

15-Jul-20

08:54

wwintl.dll_1060

wwintl.dll

16.0.4936.1000

821768

15-Jul-20

08:54

wwintl.dll_2074

wwintl.dll

16.0.4936.1000

817944

15-Jul-20

08:54

wwintl.dll_9242

wwintl.dll

16.0.4936.1000

817952

15-Jul-20

08:54

wwintl.dll_1053

wwintl.dll

16.0.4936.1000

803616

15-Jul-20

08:54

wwintl.dll_1054

wwintl.dll

16.0.4936.1000

825112

15-Jul-20

08:54

wwintl.dll_1055

wwintl.dll

16.0.4936.1000

881952

15-Jul-20

08:54

wwintl.dll_1058

wwintl.dll

16.0.4936.1000

820000

15-Jul-20

08:54

wwintl.dll_1066

wwintl.dll

16.0.4936.1000

912672

15-Jul-20

08:54

wwintl.dll_2052

wwintl.dll

16.0.4936.1000

697120

15-Jul-20

08:54

wwintl.dll_1028

wwintl.dll

16.0.4936.1000

706240

15-Jul-20

08:54

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

330960

14-Jul-20

03:46

pdfreflow.exe

pdfreflow.exe

16.0.5041.1000

10305848

14-Jul-20

03:44

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

701152

14-Jul-20

03:43

msword.olb

msword.olb

939304

14-Jul-20

03:44

winword.exe

winword.exe

16.0.5044.1000

1937720

15-Jul-20

09:36

wrd12cnv.dll

wordcnv.dll

16.0.5044.1000

9178896

15-Jul-20

09:36

wwlib.dll

wwlib.dll

16.0.5044.1000

29619992

15-Jul-20

09:36

File identifier

File name

File version

File size

Date

Time

calligra.dll

calligra.dll

16.0.4528.1000

338688

15-Jul-20

09:19

genko.dll

genko.dll

16.0.5032.1000

513368

14-Jul-20

03:55

wdsrv.conversion.word.wwintl.dll_1025

wwintl.dll

16.0.5044.1000

944432

15-Jul-20

09:37

wwintl.dll_1025

wwintl.dll

16.0.5044.1000

944432

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1026

wwintl.dll

16.0.5044.1000

899376

15-Jul-20

09:37

wwintl.dll_1026

wwintl.dll

16.0.5044.1000

899376

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1029

wwintl.dll

16.0.5044.1000

955696

15-Jul-20

09:37

wwintl.dll_1029

wwintl.dll

16.0.5044.1000

955696

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1030

wwintl.dll

16.0.5044.1000

886560

15-Jul-20

09:37

wwintl.dll_1030

wwintl.dll

16.0.5044.1000

886560

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1031

wwintl.dll

16.0.5044.1000

966960

15-Jul-20

09:37

wwintl.dll_1031

wwintl.dll

16.0.5044.1000

966960

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1032

wwintl.dll

16.0.5044.1000

956720

15-Jul-20

09:37

wwintl.dll_1032

wwintl.dll

16.0.5044.1000

956720

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_3082

wwintl.dll

16.0.5044.1000

926496

15-Jul-20

09:37

wwintl.dll_3082

wwintl.dll

16.0.5044.1000

926496

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1061

wwintl.dll

16.0.5044.1000

849712

15-Jul-20

09:37

wwintl.dll_1061

wwintl.dll

16.0.5044.1000

849712

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1035

wwintl.dll

16.0.5044.1000

897320

15-Jul-20

09:37

wwintl.dll_1035

wwintl.dll

16.0.5044.1000

897320

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1036

wwintl.dll

16.0.5044.1000

962864

15-Jul-20

09:37

wwintl.dll_1036

wwintl.dll

16.0.5044.1000

962864

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1037

wwintl.dll

16.0.5044.1000

882992

15-Jul-20

09:37

wwintl.dll_1037

wwintl.dll

16.0.5044.1000

882992

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1081

wwintl.dll

16.0.5044.1000

944432

15-Jul-20

09:37

wwintl.dll_1081

wwintl.dll

16.0.5044.1000

944432

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1050

wwintl.dll

16.0.5044.1000

909600

15-Jul-20

09:37

wwintl.dll_1050

wwintl.dll

16.0.5044.1000

909600

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1038

wwintl.dll

16.0.5044.1000

965408

15-Jul-20

09:37

wwintl.dll_1038

wwintl.dll

16.0.5044.1000

965408

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1057

wwintl.dll

16.0.5044.1000

857888

15-Jul-20

09:37

wwintl.dll_1057

wwintl.dll

16.0.5044.1000

857888

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1040

wwintl.dll

16.0.5044.1000

917296

15-Jul-20

09:37

wwintl.dll_1040

wwintl.dll

16.0.5044.1000

917296

15-Jul-20

09:37

wac.word.wwintl.dll_1041

wwintl.dll

16.0.5044.1000

869144

wdsrv.conversion.word.wwintl.dll_1041

wwintl.dll

16.0.5044.1000

869144

15-Jul-20

09:37

wwintl.dll_1041

wwintl.dll

16.0.5044.1000

869144

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1087

wwintl.dll

16.0.5044.1000

959792

15-Jul-20

09:37

wwintl.dll_1087

wwintl.dll

16.0.5044.1000

959792

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1042

wwintl.dll

16.0.5044.1000

862512

15-Jul-20

09:37

wwintl.dll_1042

wwintl.dll

16.0.5044.1000

862512

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1063

wwintl.dll

16.0.5044.1000

916240

15-Jul-20

09:37

wwintl.dll_1063

wwintl.dll

16.0.5044.1000

916240

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1062

wwintl.dll

16.0.5044.1000

903456

15-Jul-20

09:37

wwintl.dll_1062

wwintl.dll

16.0.5044.1000

903456

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1086

wwintl.dll

16.0.5044.1000

861984

15-Jul-20

09:37

wwintl.dll_1086

wwintl.dll

16.0.5044.1000

861984

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1044

wwintl.dll

16.0.5044.1000

875800

15-Jul-20

09:37

wwintl.dll_1044

wwintl.dll

16.0.5044.1000

875800

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1043

wwintl.dll

16.0.5044.1000

915232

15-Jul-20

09:37

wwintl.dll_1043

wwintl.dll

16.0.5044.1000

915232

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1045

wwintl.dll

16.0.5044.1000

931616

15-Jul-20

09:37

wwintl.dll_1045

wwintl.dll

16.0.5044.1000

931616

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_1046

wwintl.dll

16.0.5044.1000

932640

15-Jul-20

09:37

wwintl.dll_1046

wwintl.dll

16.0.5044.1000

932640

15-Jul-20

09:37

wdsrv.conversion.word.wwintl.dll_2070

wwintl.dll

16.0.5044.1000

940320

15-Jul-20

09:38

wwintl.dll_2070

wwintl.dll

16.0.5044.1000

940320

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1048

wwintl.dll

16.0.5044.1000

975648

15-Jul-20

09:38

wwintl.dll_1048

wwintl.dll

16.0.5044.1000

975648

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1049

wwintl.dll

16.0.5044.1000

888624

15-Jul-20

09:38

wwintl.dll_1049

wwintl.dll

16.0.5044.1000

888624

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1051

wwintl.dll

16.0.5044.1000

970528

15-Jul-20

09:38

wwintl.dll_1051

wwintl.dll

16.0.5044.1000

970528

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1060

wwintl.dll

16.0.5044.1000

900368

15-Jul-20

09:38

wwintl.dll_1060

wwintl.dll

16.0.5044.1000

900368

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_2074

wwintl.dll

16.0.5044.1000

896816

15-Jul-20

09:38

wwintl.dll_2074

wwintl.dll

16.0.5044.1000

896816

15-Jul-20

09:38

wac.word.wwintl.dll_9242

wwintl.dll

16.0.5044.1000

896792

wdsrv.conversion.word.wwintl.dll_9242

wwintl.dll

16.0.5044.1000

896792

15-Jul-20

09:38

wwintl.dll_9242

wwintl.dll

16.0.5044.1000

896792

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1053

wwintl.dll

16.0.5044.1000

882464

15-Jul-20

09:38

wwintl.dll_1053

wwintl.dll

16.0.5044.1000

882464

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1054

wwintl.dll

16.0.5044.1000

903960

15-Jul-20

09:38

wwintl.dll_1054

wwintl.dll

16.0.5044.1000

903960

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1055

wwintl.dll

16.0.5044.1000

960784

15-Jul-20

09:38

wwintl.dll_1055

wwintl.dll

16.0.5044.1000

960784

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1058

wwintl.dll

16.0.5044.1000

898832

15-Jul-20

09:38

wwintl.dll_1058

wwintl.dll

16.0.5044.1000

898832

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1066

wwintl.dll

16.0.5044.1000

992032

15-Jul-20

09:38

wwintl.dll_1066

wwintl.dll

16.0.5044.1000

992032

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_2052

wwintl.dll

16.0.5044.1000

775984

15-Jul-20

09:38

wwintl.dll_2052

wwintl.dll

16.0.5044.1000

775984

15-Jul-20

09:38

wdsrv.conversion.word.wwintl.dll_1028

wwintl.dll

16.0.5044.1000

784672

15-Jul-20

09:38

wwintl.dll_1028

wwintl.dll

16.0.5044.1000

784672

15-Jul-20

09:38

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

331168

14-Jul-20

03:55

pdfreflow.exe

pdfreflow.exe

16.0.5041.1000

15920456

14-Jul-20

03:52

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

14-Jul-20

03:47

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

780488

14-Jul-20

03:47

msword.olb

msword.olb

939304

14-Jul-20

03:52

winword.exe

winword.exe

16.0.5044.1000

1940784

15-Jul-20

09:40

wrd12cnv.dll

wordcnv.dll

16.0.5044.1000

11884824

15-Jul-20

09:40

wwlib.dll

wwlib.dll

16.0.5044.1000

37242672

15-Jul-20

09:40

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