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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 the following security advisories:

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?).

Improvements and fixes

This security update contains the following improvement:

  • Adds a new read-only Boolean property that is named IsEmpty to the HeaderFooter object in Visual Basic for Applications (VBA). You can use this property to check whether the header is empty.

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: July 14, 2020.

Security update replacement information

This security update replaces previously released security update 4484396.

File hash information

File name

SHA1 hash

SHA256 hash

word2016-kb4484438-fullfile-x86-glb.exe

4F5F10B897D91A13AC19906C254D88716763C420

693871A3EC35A6EF9494F58F403AED235610574F7A2569C7D886F791927444B0

word2016-kb4484438-fullfile-x64-glb.exe

E0ED2CB3B579542DEB352EA123E9D552F84314DA

8C37F985526A09CC9272EABD40BECE1AB18388F30E51FA3193B5C2B7EB19CF13


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

17-Jun-20

07:34

wwintl.dll_1025

wwintl.dll

16.0.4936.1000

823584

17-Jun-20

05:28

wwintl.dll_1026

wwintl.dll

16.0.4936.1000

820504

17-Jun-20

05:28

wwintl.dll_1029

wwintl.dll

16.0.4936.1000

876320

17-Jun-20

05:28

wwintl.dll_1030

wwintl.dll

16.0.4936.1000

807712

17-Jun-20

05:28

wwintl.dll_1031

wwintl.dll

16.0.4936.1000

888088

17-Jun-20

05:28

wwintl.dll_1032

wwintl.dll

16.0.4936.1000

877856

17-Jun-20

05:28

wwintl.dll_3082

wwintl.dll

16.0.4936.1000

847648

17-Jun-20

05:28

wwintl.dll_1061

wwintl.dll

16.0.4936.1000

770840

17-Jun-20

05:28

wwintl.dll_1035

wwintl.dll

16.0.4936.1000

818464

17-Jun-20

05:28

wwintl.dll_1036

wwintl.dll

16.0.4936.1000

883992

17-Jun-20

05:28

wwintl.dll_1037

wwintl.dll

16.0.4936.1000

762144

17-Jun-20

05:28

wwintl.dll_1081

wwintl.dll

16.0.4936.1000

865056

17-Jun-20

05:28

wwintl.dll_1050

wwintl.dll

16.0.4936.1000

830744

17-Jun-20

05:28

wwintl.dll_1038

wwintl.dll

16.0.4936.1000

886560

17-Jun-20

05:28

wwintl.dll_1057

wwintl.dll

16.0.4936.1000

779040

17-Jun-20

05:28

wwintl.dll_1040

wwintl.dll

16.0.4936.1000

838424

17-Jun-20

05:28

wwintl.dll_1041

wwintl.dll

16.0.4936.1000

790304

17-Jun-20

05:28

wwintl.dll_1087

wwintl.dll

16.0.4936.1000

880408

17-Jun-20

05:28

wwintl.dll_1042

wwintl.dll

16.0.4936.1000

783136

17-Jun-20

05:28

wwintl.dll_1063

wwintl.dll

16.0.4936.1000

836896

17-Jun-20

05:28

wwintl.dll_1062

wwintl.dll

16.0.4936.1000

824608

17-Jun-20

05:28

wwintl.dll_1086

wwintl.dll

16.0.4936.1000

782616

17-Jun-20

05:28

wwintl.dll_1044

wwintl.dll

16.0.4936.1000

797168

17-Jun-20

05:28

wwintl.dll_1043

wwintl.dll

16.0.4936.1000

835872

17-Jun-20

05:28

wwintl.dll_1045

wwintl.dll

16.0.4936.1000

852256

17-Jun-20

05:28

wwintl.dll_1046

wwintl.dll

16.0.4936.1000

853280

17-Jun-20

05:28

wwintl.dll_2070

wwintl.dll

16.0.4936.1000

861464

17-Jun-20

05:28

wwintl.dll_1048

wwintl.dll

16.0.4936.1000

896280

17-Jun-20

05:28

wwintl.dll_1049

wwintl.dll

16.0.4936.1000

809968

17-Jun-20

05:28

wwintl.dll_1051

wwintl.dll

16.0.4936.1000

891160

17-Jun-20

05:28

wwintl.dll_1060

wwintl.dll

16.0.4936.1000

821768

17-Jun-20

05:28

wwintl.dll_2074

wwintl.dll

16.0.4936.1000

817944

17-Jun-20

05:28

wwintl.dll_9242

wwintl.dll

16.0.4936.1000

817952

17-Jun-20

05:28

wwintl.dll_1053

wwintl.dll

16.0.4936.1000

803616

17-Jun-20

05:28

wwintl.dll_1054

wwintl.dll

16.0.4936.1000

825112

17-Jun-20

05:28

wwintl.dll_1055

wwintl.dll

16.0.4936.1000

881952

17-Jun-20

05:28

wwintl.dll_1058

wwintl.dll

16.0.4936.1000

820000

17-Jun-20

05:28

wwintl.dll_1066

wwintl.dll

16.0.4936.1000

912672

17-Jun-20

05:28

wwintl.dll_2052

wwintl.dll

16.0.4936.1000

697120

17-Jun-20

05:28

wwintl.dll_1028

wwintl.dll

16.0.4936.1000

706240

17-Jun-20

05:28

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

330960

16-Jun-20

03:32

pdfreflow.exe

pdfreflow.exe

16.0.4999.1000

10306056

16-Jun-20

03:29

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

701152

16-Jun-20

03:28

msword.olb

msword.olb

939304

17-Jun-20

07:15

winword.exe

winword.exe

16.0.5032.1000

1937704

17-Jun-20

07:15

wrd12cnv.dll

wordcnv.dll

16.0.5032.1000

9177904

17-Jun-20

07:14

wwlib.dll

wwlib.dll

16.0.5032.1000

29618480

17-Jun-20

07:15

File identifier

File name

File version

File size

Date

Time

calligra.dll

calligra.dll

16.0.4528.1000

338688

17-Jun-20

05:43

genko.dll

genko.dll

16.0.5032.1000

513368

17-Jun-20

07:34

wdsrv.conversion.word.wwintl.dll_1025

wwintl.dll

16.0.5032.1000

944432

17-Jun-20

07:11

wwintl.dll_1025

wwintl.dll

16.0.5032.1000

944432

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1026

wwintl.dll

16.0.5032.1000

899376

17-Jun-20

07:11

wwintl.dll_1026

wwintl.dll

16.0.5032.1000

899376

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1029

wwintl.dll

16.0.5032.1000

955696

17-Jun-20

07:11

wwintl.dll_1029

wwintl.dll

16.0.5032.1000

955696

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1030

wwintl.dll

16.0.5032.1000

886576

17-Jun-20

07:11

wwintl.dll_1030

wwintl.dll

16.0.5032.1000

886576

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1031

wwintl.dll

16.0.5032.1000

966936

17-Jun-20

07:11

wwintl.dll_1031

wwintl.dll

16.0.5032.1000

966936

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1032

wwintl.dll

16.0.5032.1000

956696

17-Jun-20

07:11

wwintl.dll_1032

wwintl.dll

16.0.5032.1000

956696

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_3082

wwintl.dll

16.0.5032.1000

926512

17-Jun-20

07:11

wwintl.dll_3082

wwintl.dll

16.0.5032.1000

926512

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1061

wwintl.dll

16.0.5032.1000

849688

17-Jun-20

07:11

wwintl.dll_1061

wwintl.dll

16.0.5032.1000

849688

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1035

wwintl.dll

16.0.5032.1000

897328

17-Jun-20

07:11

wwintl.dll_1035

wwintl.dll

16.0.5032.1000

897328

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1036

wwintl.dll

16.0.5032.1000

962864

17-Jun-20

07:11

wwintl.dll_1036

wwintl.dll

16.0.5032.1000

962864

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1037

wwintl.dll

16.0.5032.1000

882992

17-Jun-20

07:11

wwintl.dll_1037

wwintl.dll

16.0.5032.1000

882992

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1081

wwintl.dll

16.0.5032.1000

944432

17-Jun-20

07:11

wwintl.dll_1081

wwintl.dll

16.0.5032.1000

944432

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1050

wwintl.dll

16.0.5032.1000

909608

17-Jun-20

07:11

wwintl.dll_1050

wwintl.dll

16.0.5032.1000

909608

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1038

wwintl.dll

16.0.5032.1000

965416

17-Jun-20

07:11

wwintl.dll_1038

wwintl.dll

16.0.5032.1000

965416

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1057

wwintl.dll

16.0.5032.1000

857896

17-Jun-20

07:11

wwintl.dll_1057

wwintl.dll

16.0.5032.1000

857896

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1040

wwintl.dll

16.0.5032.1000

917296

17-Jun-20

07:11

wwintl.dll_1040

wwintl.dll

16.0.5032.1000

917296

17-Jun-20

07:11

wac.word.wwintl.dll_1041

wwintl.dll

16.0.5032.1000

869168

wdsrv.conversion.word.wwintl.dll_1041

wwintl.dll

16.0.5032.1000

869168

17-Jun-20

07:11

wwintl.dll_1041

wwintl.dll

16.0.5032.1000

869168

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1087

wwintl.dll

16.0.5032.1000

959760

17-Jun-20

07:11

wwintl.dll_1087

wwintl.dll

16.0.5032.1000

959760

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1042

wwintl.dll

16.0.5032.1000

862512

17-Jun-20

07:11

wwintl.dll_1042

wwintl.dll

16.0.5032.1000

862512

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1063

wwintl.dll

16.0.5032.1000

916272

17-Jun-20

07:11

wwintl.dll_1063

wwintl.dll

16.0.5032.1000

916272

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1062

wwintl.dll

16.0.5032.1000

903448

17-Jun-20

07:11

wwintl.dll_1062

wwintl.dll

16.0.5032.1000

903448

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1086

wwintl.dll

16.0.5032.1000

862000

17-Jun-20

07:11

wwintl.dll_1086

wwintl.dll

16.0.5032.1000

862000

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1044

wwintl.dll

16.0.5032.1000

875824

17-Jun-20

07:11

wwintl.dll_1044

wwintl.dll

16.0.5032.1000

875824

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1043

wwintl.dll

16.0.5032.1000

915248

17-Jun-20

07:11

wwintl.dll_1043

wwintl.dll

16.0.5032.1000

915248

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1045

wwintl.dll

16.0.5032.1000

931632

17-Jun-20

07:11

wwintl.dll_1045

wwintl.dll

16.0.5032.1000

931632

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1046

wwintl.dll

16.0.5032.1000

932656

17-Jun-20

07:11

wwintl.dll_1046

wwintl.dll

16.0.5032.1000

932656

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_2070

wwintl.dll

16.0.5032.1000

940336

17-Jun-20

07:11

wwintl.dll_2070

wwintl.dll

16.0.5032.1000

940336

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1048

wwintl.dll

16.0.5032.1000

975664

17-Jun-20

07:11

wwintl.dll_1048

wwintl.dll

16.0.5032.1000

975664

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1049

wwintl.dll

16.0.5032.1000

888624

17-Jun-20

07:11

wwintl.dll_1049

wwintl.dll

16.0.5032.1000

888624

17-Jun-20

07:11

wdsrv.conversion.word.wwintl.dll_1051

wwintl.dll

16.0.5032.1000

970520

17-Jun-20

07:12

wwintl.dll_1051

wwintl.dll

16.0.5032.1000

970520

17-Jun-20

07:12

wdsrv.conversion.word.wwintl.dll_1060

wwintl.dll

16.0.5032.1000

900368

17-Jun-20

07:12

wwintl.dll_1060

wwintl.dll

16.0.5032.1000

900368

17-Jun-20

07:12

wdsrv.conversion.word.wwintl.dll_2074

wwintl.dll

16.0.5032.1000

896792

17-Jun-20

07:12

wwintl.dll_2074

wwintl.dll

16.0.5032.1000

896792

17-Jun-20

07:12

wac.word.wwintl.dll_9242

wwintl.dll

16.0.5032.1000

896816

wdsrv.conversion.word.wwintl.dll_9242

wwintl.dll

16.0.5032.1000

896816

17-Jun-20

07:12

wwintl.dll_9242

wwintl.dll

16.0.5032.1000

896816

17-Jun-20

07:12

wdsrv.conversion.word.wwintl.dll_1053

wwintl.dll

16.0.5032.1000

882480

17-Jun-20

07:12

wwintl.dll_1053

wwintl.dll

16.0.5032.1000

882480

17-Jun-20

07:12

wdsrv.conversion.word.wwintl.dll_1054

wwintl.dll

16.0.5032.1000

903984

17-Jun-20

07:12

wwintl.dll_1054

wwintl.dll

16.0.5032.1000

903984

17-Jun-20

07:12

wdsrv.conversion.word.wwintl.dll_1055

wwintl.dll

16.0.5032.1000

960816

17-Jun-20

07:12

wwintl.dll_1055

wwintl.dll

16.0.5032.1000

960816

17-Jun-20

07:12

wdsrv.conversion.word.wwintl.dll_1058

wwintl.dll

16.0.5032.1000

898856

17-Jun-20

07:12

wwintl.dll_1058

wwintl.dll

16.0.5032.1000

898856

17-Jun-20

07:12

wdsrv.conversion.word.wwintl.dll_1066

wwintl.dll

16.0.5032.1000

992048

17-Jun-20

07:12

wwintl.dll_1066

wwintl.dll

16.0.5032.1000

992048

17-Jun-20

07:12

wdsrv.conversion.word.wwintl.dll_2052

wwintl.dll

16.0.5032.1000

775984

17-Jun-20

07:12

wwintl.dll_2052

wwintl.dll

16.0.5032.1000

775984

17-Jun-20

07:12

wdsrv.conversion.word.wwintl.dll_1028

wwintl.dll

16.0.5032.1000

784680

17-Jun-20

07:12

wwintl.dll_1028

wwintl.dll

16.0.5032.1000

784680

17-Jun-20

07:12

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

331168

16-Jun-20

03:35

pdfreflow.exe

pdfreflow.exe

16.0.4999.1000

15919624

16-Jun-20

03:33

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

16-Jun-20

03:27

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

780488

16-Jun-20

03:27

msword.olb

msword.olb

939304

17-Jun-20

07:14

winword.exe

winword.exe

16.0.5032.1000

1940784

17-Jun-20

07:14

wrd12cnv.dll

wordcnv.dll

16.0.5032.1000

11883824

17-Jun-20

07:14

wwlib.dll

wwlib.dll

16.0.5032.1000

37240624

17-Jun-20

07:14

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