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 Security Bulletin MS16-099.

Note To apply this security update, you must have the release version of Word 2016 installed on the computer.

For a complete list of affected versions of Microsoft Office software, see Microsoft Knowledge Base article KB3177451.

Improvements and fixes

This security update contains improvements and fixes for the following nonsecurity issues:

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 the "Turn on automatic updating in Control Panel" section of this Safety & Security Center article.

Method 2: Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the stand-alone 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 Microsoft Knowledge Base article KB3177451.

Security update replacement information

This security update replaces previously released security update KB3115301.

File hash information

Package Name

Package Hash SHA 1

Package Hash SHA 2

word2016-kb3115439-fullfile-x86-glb.exe

F52DDE9D57C7CA78C51B91030B3DBCC96A2AF446

D4440BC33405D09DF8754404DD5405AF854A65FDF8E9E6287B68A6E479496960

word2016-kb3115439-fullfile-x64-glb.exe

BE5665A57EBFFE6FD7FB72EC5D9EC12FF60A299D

A4BD8DFD7D596A8B82D4508859400F982EF6C636F8684FFADABF0C5EEBC880FC

The English version of this security update has the file attributes (or later file attributes) that are listed in the following table.

For all supported x86-based versions of Word 2016

File identifier

File name

File version

File size

Date

Time

wwintl.dll_1026

wwintl.dll

16.0.4339.1000

818872

13-Jul-16

12:10

wwintl.dll_1030

wwintl.dll

16.0.4339.1000

805560

13-Jul-16

12:10

wwintl.dll_3082

wwintl.dll

16.0.4339.1000

845496

13-Jul-16

12:10

wwintl.dll_1061

wwintl.dll

16.0.4339.1000

769208

13-Jul-16

12:10

wwintl.dll_1050

wwintl.dll

16.0.4339.1000

828600

13-Jul-16

12:10

wwintl.dll_1038

wwintl.dll

16.0.4339.1000

884408

13-Jul-16

12:10

wwintl.dll_1040

wwintl.dll

16.0.4339.1000

836280

13-Jul-16

12:10

wwintl.dll_1041

wwintl.dll

16.0.4339.1000

788152

13-Jul-16

12:09

wwintl.dll_1087

wwintl.dll

16.0.4339.1000

878776

13-Jul-16

12:10

wwintl.dll_1044

wwintl.dll

16.0.4339.1000

794808

13-Jul-16

12:10

wwintl.dll_1045

wwintl.dll

16.0.4339.1000

850104

13-Jul-16

12:10

wwintl.dll_1046

wwintl.dll

16.0.4339.1000

851648

13-Jul-16

12:10

wwintl.dll_2070

wwintl.dll

16.0.4339.1000

859320

13-Jul-16

12:10

wwintl.dll_1048

wwintl.dll

16.0.4339.1000

894136

13-Jul-16

12:10

wwintl.dll_1049

wwintl.dll

16.0.4339.1000

807608

13-Jul-16

12:10

wwintl.dll_1060

wwintl.dll

16.0.4339.1000

819384

13-Jul-16

12:10

wwintl.dll_2074

wwintl.dll

16.0.4309.1000

806560

13-Jul-16

12:10

wwintl.dll_9242

wwintl.dll

16.0.4339.1000

815808

13-Jul-16

12:10

wwintl.dll_1054

wwintl.dll

16.0.4339.1000

822968

13-Jul-16

12:10

wwintl.dll_1055

wwintl.dll

16.0.4339.1000

879800

13-Jul-16

12:10

wwintl.dll_1058

wwintl.dll

16.0.4339.1000

818360

13-Jul-16

12:10

wwintl.dll_1066

wwintl.dll

16.0.4339.1000

911032

13-Jul-16

12:10

wwintl.dll_2052

wwintl.dll

16.0.4339.1000

694968

13-Jul-16

12:10

wwintl.dll_1028

wwintl.dll

16.0.4339.1000

703672

13-Jul-16

12:10

pdfreflow.exe

pdfreflow.exe

16.0.4405.1000

10302160

12-Jul-16

01:13

wwintl.dll_1033

wwintl.dll

16.0.4309.1000

689312

12-Jul-16

01:12

winword.exe

winword.exe

16.0.4417.1000

1936056

13-Jul-16

11:11

wrd12cnv.dll

wordcnv.dll

16.0.4417.1000

9157304

13-Jul-16

11:11

wwlib.dll

wwlib.dll

16.0.4417.1000

29569208

13-Jul-16

11:11

For all supported x64-based versions of Word 2016

File identifier

File name

File version

File size

Date

Time

wdsrv.conversion.word.wwintl.dll_1025

wwintl.dll

16.0.4417.1000

942272

13-Jul-16

11:11

wwintl.dll_1025

wwintl.dll

16.0.4417.1000

942272

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1026

wwintl.dll

16.0.4417.1000

897728

13-Jul-16

11:11

wwintl.dll_1026

wwintl.dll

16.0.4417.1000

897728

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1029

wwintl.dll

16.0.4417.1000

953528

13-Jul-16

11:11

wwintl.dll_1029

wwintl.dll

16.0.4417.1000

953528

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1030

wwintl.dll

16.0.4417.1000

884408

13-Jul-16

11:11

wwintl.dll_1030

wwintl.dll

16.0.4417.1000

884408

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1031

wwintl.dll

16.0.4417.1000

964792

13-Jul-16

11:11

wwintl.dll_1031

wwintl.dll

16.0.4417.1000

964792

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1032

wwintl.dll

16.0.4417.1000

955064

13-Jul-16

11:11

wwintl.dll_1032

wwintl.dll

16.0.4417.1000

955064

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_3082

wwintl.dll

16.0.4417.1000

924344

13-Jul-16

11:11

wwintl.dll_3082

wwintl.dll

16.0.4417.1000

924344

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1061

wwintl.dll

16.0.4417.1000

848056

13-Jul-16

11:11

wwintl.dll_1061

wwintl.dll

16.0.4417.1000

848056

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1035

wwintl.dll

16.0.4417.1000

895160

13-Jul-16

11:11

wwintl.dll_1035

wwintl.dll

16.0.4417.1000

895160

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1036

wwintl.dll

16.0.4417.1000

960696

13-Jul-16

11:11

wwintl.dll_1036

wwintl.dll

16.0.4417.1000

960696

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1037

wwintl.dll

16.0.4417.1000

881336

13-Jul-16

11:11

wwintl.dll_1037

wwintl.dll

16.0.4417.1000

881336

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1081

wwintl.dll

16.0.4417.1000

942272

13-Jul-16

11:11

wwintl.dll_1081

wwintl.dll

16.0.4417.1000

942272

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1050

wwintl.dll

16.0.4417.1000

907448

13-Jul-16

11:11

wwintl.dll_1050

wwintl.dll

16.0.4417.1000

907448

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1038

wwintl.dll

16.0.4417.1000

963256

13-Jul-16

11:11

wwintl.dll_1038

wwintl.dll

16.0.4417.1000

963256

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1057

wwintl.dll

16.0.4417.1000

856248

13-Jul-16

11:11

wwintl.dll_1057

wwintl.dll

16.0.4417.1000

856248

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1040

wwintl.dll

16.0.4417.1000

915128

13-Jul-16

11:11

wwintl.dll_1040

wwintl.dll

16.0.4417.1000

915128

13-Jul-16

11:11

wac.word.wwintl.dll_1041

wwintl.dll

16.0.4417.1000

867008

wdsrv.conversion.word.wwintl.dll_1041

wwintl.dll

16.0.4417.1000

867008

13-Jul-16

11:11

wwintl.dll_1041

wwintl.dll

16.0.4417.1000

867008

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1087

wwintl.dll

16.0.4417.1000

957632

13-Jul-16

11:11

wwintl.dll_1087

wwintl.dll

16.0.4417.1000

957632

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1042

wwintl.dll

16.0.4417.1000

860344

13-Jul-16

11:11

wwintl.dll_1042

wwintl.dll

16.0.4417.1000

860344

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1063

wwintl.dll

16.0.4417.1000

914104

13-Jul-16

11:11

wwintl.dll_1063

wwintl.dll

16.0.4417.1000

914104

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1062

wwintl.dll

16.0.4417.1000

901304

13-Jul-16

11:11

wwintl.dll_1062

wwintl.dll

16.0.4417.1000

901304

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1086

wwintl.dll

16.0.4417.1000

859832

13-Jul-16

11:11

wwintl.dll_1086

wwintl.dll

16.0.4417.1000

859832

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1044

wwintl.dll

16.0.4417.1000

873656

13-Jul-16

11:11

wwintl.dll_1044

wwintl.dll

16.0.4417.1000

873656

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1043

wwintl.dll

16.0.4417.1000

913080

13-Jul-16

11:11

wwintl.dll_1043

wwintl.dll

16.0.4417.1000

913080

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1045

wwintl.dll

16.0.4417.1000

929464

13-Jul-16

11:11

wwintl.dll_1045

wwintl.dll

16.0.4417.1000

929464

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1046

wwintl.dll

16.0.4417.1000

930488

13-Jul-16

11:11

wwintl.dll_1046

wwintl.dll

16.0.4417.1000

930488

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_2070

wwintl.dll

16.0.4417.1000

938168

13-Jul-16

11:11

wwintl.dll_2070

wwintl.dll

16.0.4417.1000

938168

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1048

wwintl.dll

16.0.4417.1000

973496

13-Jul-16

11:11

wwintl.dll_1048

wwintl.dll

16.0.4417.1000

973496

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1049

wwintl.dll

16.0.4417.1000

886456

13-Jul-16

11:11

wwintl.dll_1049

wwintl.dll

16.0.4417.1000

886456

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1051

wwintl.dll

16.0.4417.1000

968376

13-Jul-16

11:11

wwintl.dll_1051

wwintl.dll

16.0.4417.1000

968376

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1060

wwintl.dll

16.0.4417.1000

898232

13-Jul-16

11:11

wwintl.dll_1060

wwintl.dll

16.0.4417.1000

898232

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_2074

wwintl.dll

16.0.4417.1000

894648

13-Jul-16

11:11

wwintl.dll_2074

wwintl.dll

16.0.4417.1000

894648

13-Jul-16

11:11

wac.word.wwintl.dll_9242

wwintl.dll

16.0.4417.1000

894648

wdsrv.conversion.word.wwintl.dll_9242

wwintl.dll

16.0.4417.1000

894648

13-Jul-16

11:11

wwintl.dll_9242

wwintl.dll

16.0.4417.1000

894648

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1053

wwintl.dll

16.0.4417.1000

880320

13-Jul-16

11:11

wwintl.dll_1053

wwintl.dll

16.0.4417.1000

880320

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1054

wwintl.dll

16.0.4417.1000

902336

13-Jul-16

11:11

wwintl.dll_1054

wwintl.dll

16.0.4417.1000

902336

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1055

wwintl.dll

16.0.4417.1000

958648

13-Jul-16

11:11

wwintl.dll_1055

wwintl.dll

16.0.4417.1000

958648

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1058

wwintl.dll

16.0.4417.1000

897216

13-Jul-16

11:11

wwintl.dll_1058

wwintl.dll

16.0.4417.1000

897216

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1066

wwintl.dll

16.0.4417.1000

989880

13-Jul-16

11:11

wwintl.dll_1066

wwintl.dll

16.0.4417.1000

989880

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_2052

wwintl.dll

16.0.4417.1000

774336

13-Jul-16

11:11

wwintl.dll_2052

wwintl.dll

16.0.4417.1000

774336

13-Jul-16

11:11

wdsrv.conversion.word.wwintl.dll_1028

wwintl.dll

16.0.4417.1000

783032

13-Jul-16

11:11

wwintl.dll_1028

wwintl.dll

16.0.4417.1000

783032

13-Jul-16

11:11

pdfreflow.exe

pdfreflow.exe

16.0.4405.1000

15915728

12-Jul-16

01:21

wac.word.wwintl.dll_1033

wwintl.dll

16.0.4309.1000

768672

wdsrv.conversion.word.wwintl.dll_1033

wwintl.dll

16.0.4309.1000

768672

wwintl.dll_1033

wwintl.dll

16.0.4309.1000

768672

12-Jul-16

01:18

winword.exe

winword.exe

16.0.4417.1000

1939128

13-Jul-16

11:13

wrd12cnv.dll

wordcnv.dll

16.0.4417.1000

11858104

13-Jul-16

11:13

wwlib.dll

wwlib.dll

16.0.4417.1000

37135032

13-Jul-16

11:13


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