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 MS16-121.

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 KB3194063.

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 KB3194063.

Security update replacement information

This security update replaces previously released security update KB3115439.

File hash information

Package name

Package hash SHA 1

Package hash SHA 2

word2016-kb3118331-fullfile-x64-glb.exe

2B1C8E0395A4149A1F0AEF7DDD25D82383807590

FAC7B983E4E01A695669D64DA01E6496F28A11FFC3D3FA2F6565D9EB543D906E

word2016-kb3118331-fullfile-x86-glb.exe

6B26629874E87596421B98812E0F0227404D487B

946DFEE1081453ECAEB06506BB3F577CFAA8EC48D0D39CF587F9703DFF8B5E12

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

24-Sep-16

08:18

wwintl.dll_1030

wwintl.dll

16.0.4339.1000

805560

24-Sep-16

08:18

wwintl.dll_3082

wwintl.dll

16.0.4339.1000

845496

24-Sep-16

08:18

wwintl.dll_1061

wwintl.dll

16.0.4339.1000

769208

24-Sep-16

08:18

wwintl.dll_1050

wwintl.dll

16.0.4339.1000

828600

24-Sep-16

08:18

wwintl.dll_1038

wwintl.dll

16.0.4339.1000

884408

24-Sep-16

08:18

wwintl.dll_1040

wwintl.dll

16.0.4339.1000

836280

24-Sep-16

08:18

wwintl.dll_1041

wwintl.dll

16.0.4339.1000

788152

24-Sep-16

08:18

wwintl.dll_1087

wwintl.dll

16.0.4339.1000

878776

24-Sep-16

08:18

wwintl.dll_1044

wwintl.dll

16.0.4339.1000

794808

24-Sep-16

08:18

wwintl.dll_1045

wwintl.dll

16.0.4339.1000

850104

24-Sep-16

08:18

wwintl.dll_1046

wwintl.dll

16.0.4339.1000

851648

24-Sep-16

08:18

wwintl.dll_2070

wwintl.dll

16.0.4339.1000

859320

24-Sep-16

08:18

wwintl.dll_1048

wwintl.dll

16.0.4339.1000

894136

24-Sep-16

08:18

wwintl.dll_1049

wwintl.dll

16.0.4339.1000

807608

24-Sep-16

08:18

wwintl.dll_1060

wwintl.dll

16.0.4339.1000

819384

24-Sep-16

08:18

wwintl.dll_2074

wwintl.dll

16.0.4309.1000

806560

24-Sep-16

08:18

wwintl.dll_9242

wwintl.dll

16.0.4339.1000

815808

24-Sep-16

08:18

wwintl.dll_1054

wwintl.dll

16.0.4339.1000

822968

24-Sep-16

08:18

wwintl.dll_1055

wwintl.dll

16.0.4339.1000

879800

24-Sep-16

08:18

wwintl.dll_1058

wwintl.dll

16.0.4339.1000

818360

24-Sep-16

08:18

wwintl.dll_1066

wwintl.dll

16.0.4339.1000

911032

24-Sep-16

08:18

wwintl.dll_2052

wwintl.dll

16.0.4339.1000

694968

24-Sep-16

08:18

wwintl.dll_1028

wwintl.dll

16.0.4339.1000

703672

24-Sep-16

08:18

pdfreflow.exe

pdfreflow.exe

16.0.4405.1000

10302160

24-Sep-16

02:01

wwintl.dll_1033

wwintl.dll

16.0.4309.1000

689312

24-Sep-16

02:00

winword.exe

winword.exe

16.0.4444.1003

1936064

25-Sep-16

11:15

wrd12cnv.dll

wordcnv.dll

16.0.4444.1003

9157312

25-Sep-16

11:15

wwlib.dll

wwlib.dll

16.0.4444.1003

29568696

25-Sep-16

11:15

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

16.0.4444.1003

942264

25-Sep-16

11:13

wwintl.dll_1025

wwintl.dll

16.0.4444.1003

942264

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1026

wwintl.dll

16.0.4444.1003

897728

25-Sep-16

11:13

wwintl.dll_1026

wwintl.dll

16.0.4444.1003

897728

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1029

wwintl.dll

16.0.4444.1003

953536

25-Sep-16

11:13

wwintl.dll_1029

wwintl.dll

16.0.4444.1003

953536

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1030

wwintl.dll

16.0.4444.1003

884408

25-Sep-16

11:13

wwintl.dll_1030

wwintl.dll

16.0.4444.1003

884408

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1031

wwintl.dll

16.0.4444.1003

964800

25-Sep-16

11:13

wwintl.dll_1031

wwintl.dll

16.0.4444.1003

964800

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1032

wwintl.dll

16.0.4444.1003

955064

25-Sep-16

11:13

wwintl.dll_1032

wwintl.dll

16.0.4444.1003

955064

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_3082

wwintl.dll

16.0.4444.1003

924344

25-Sep-16

11:13

wwintl.dll_3082

wwintl.dll

16.0.4444.1003

924344

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1061

wwintl.dll

16.0.4444.1003

848056

25-Sep-16

11:13

wwintl.dll_1061

wwintl.dll

16.0.4444.1003

848056

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1035

wwintl.dll

16.0.4444.1003

895168

25-Sep-16

11:13

wwintl.dll_1035

wwintl.dll

16.0.4444.1003

895168

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1036

wwintl.dll

16.0.4444.1003

960704

25-Sep-16

11:13

wwintl.dll_1036

wwintl.dll

16.0.4444.1003

960704

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1037

wwintl.dll

16.0.4444.1003

881344

25-Sep-16

11:13

wwintl.dll_1037

wwintl.dll

16.0.4444.1003

881344

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1081

wwintl.dll

16.0.4444.1003

942264

25-Sep-16

11:13

wwintl.dll_1081

wwintl.dll

16.0.4444.1003

942264

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1050

wwintl.dll

16.0.4444.1003

907456

25-Sep-16

11:13

wwintl.dll_1050

wwintl.dll

16.0.4444.1003

907456

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1038

wwintl.dll

16.0.4444.1003

963256

25-Sep-16

11:13

wwintl.dll_1038

wwintl.dll

16.0.4444.1003

963256

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1057

wwintl.dll

16.0.4444.1003

856248

25-Sep-16

11:13

wwintl.dll_1057

wwintl.dll

16.0.4444.1003

856248

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1040

wwintl.dll

16.0.4444.1003

915128

25-Sep-16

11:13

wwintl.dll_1040

wwintl.dll

16.0.4444.1003

915128

25-Sep-16

11:13

wac.word.wwintl.dll_1041

wwintl.dll

16.0.4444.1003

867000

wdsrv.conversion.word.wwintl.dll_1041

wwintl.dll

16.0.4444.1003

867000

25-Sep-16

11:13

wwintl.dll_1041

wwintl.dll

16.0.4444.1003

867000

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1087

wwintl.dll

16.0.4444.1003

957624

25-Sep-16

11:13

wwintl.dll_1087

wwintl.dll

16.0.4444.1003

957624

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1042

wwintl.dll

16.0.4444.1003

860352

25-Sep-16

11:13

wwintl.dll_1042

wwintl.dll

16.0.4444.1003

860352

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1063

wwintl.dll

16.0.4444.1003

914104

25-Sep-16

11:13

wwintl.dll_1063

wwintl.dll

16.0.4444.1003

914104

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1062

wwintl.dll

16.0.4444.1003

901304

25-Sep-16

11:13

wwintl.dll_1062

wwintl.dll

16.0.4444.1003

901304

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1086

wwintl.dll

16.0.4444.1003

859840

25-Sep-16

11:13

wwintl.dll_1086

wwintl.dll

16.0.4444.1003

859840

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1044

wwintl.dll

16.0.4444.1003

873664

25-Sep-16

11:13

wwintl.dll_1044

wwintl.dll

16.0.4444.1003

873664

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1043

wwintl.dll

16.0.4444.1003

913080

25-Sep-16

11:13

wwintl.dll_1043

wwintl.dll

16.0.4444.1003

913080

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1045

wwintl.dll

16.0.4444.1003

929472

25-Sep-16

11:13

wwintl.dll_1045

wwintl.dll

16.0.4444.1003

929472

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1046

wwintl.dll

16.0.4444.1003

930488

25-Sep-16

11:13

wwintl.dll_1046

wwintl.dll

16.0.4444.1003

930488

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_2070

wwintl.dll

16.0.4444.1003

938168

25-Sep-16

11:13

wwintl.dll_2070

wwintl.dll

16.0.4444.1003

938168

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1048

wwintl.dll

16.0.4444.1003

973496

25-Sep-16

11:13

wwintl.dll_1048

wwintl.dll

16.0.4444.1003

973496

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1049

wwintl.dll

16.0.4444.1003

886456

25-Sep-16

11:13

wwintl.dll_1049

wwintl.dll

16.0.4444.1003

886456

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1051

wwintl.dll

16.0.4444.1003

968384

25-Sep-16

11:13

wwintl.dll_1051

wwintl.dll

16.0.4444.1003

968384

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1060

wwintl.dll

16.0.4444.1003

898232

25-Sep-16

11:13

wwintl.dll_1060

wwintl.dll

16.0.4444.1003

898232

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_2074

wwintl.dll

16.0.4444.1003

894656

25-Sep-16

11:13

wwintl.dll_2074

wwintl.dll

16.0.4444.1003

894656

25-Sep-16

11:13

wac.word.wwintl.dll_9242

wwintl.dll

16.0.4444.1003

894656

wdsrv.conversion.word.wwintl.dll_9242

wwintl.dll

16.0.4444.1003

894656

25-Sep-16

11:13

wwintl.dll_9242

wwintl.dll

16.0.4444.1003

894656

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1053

wwintl.dll

16.0.4444.1003

880312

25-Sep-16

11:13

wwintl.dll_1053

wwintl.dll

16.0.4444.1003

880312

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1054

wwintl.dll

16.0.4444.1003

902336

25-Sep-16

11:13

wwintl.dll_1054

wwintl.dll

16.0.4444.1003

902336

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1055

wwintl.dll

16.0.4444.1003

958656

25-Sep-16

11:13

wwintl.dll_1055

wwintl.dll

16.0.4444.1003

958656

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1058

wwintl.dll

16.0.4444.1003

897216

25-Sep-16

11:13

wwintl.dll_1058

wwintl.dll

16.0.4444.1003

897216

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1066

wwintl.dll

16.0.4444.1003

989888

25-Sep-16

11:13

wwintl.dll_1066

wwintl.dll

16.0.4444.1003

989888

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_2052

wwintl.dll

16.0.4444.1003

774336

25-Sep-16

11:13

wwintl.dll_2052

wwintl.dll

16.0.4444.1003

774336

25-Sep-16

11:13

wdsrv.conversion.word.wwintl.dll_1028

wwintl.dll

16.0.4444.1003

783032

25-Sep-16

11:13

wwintl.dll_1028

wwintl.dll

16.0.4444.1003

783032

25-Sep-16

11:13

pdfreflow.exe

pdfreflow.exe

16.0.4405.1000

15915728

24-Sep-16

02:07

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

24-Sep-16

02:03

winword.exe

winword.exe

16.0.4444.1003

1939128

25-Sep-16

11:15

wrd12cnv.dll

wordcnv.dll

16.0.4444.1003

11858616

25-Sep-16

11:15

wwlib.dll

wwlib.dll

16.0.4444.1003

37177536

25-Sep-16

11:15


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