Summary

This security update resolves a remote code execution vulnerability that exists in Microsoft Word software when it fails to correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-1034.

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 fixes for the following nonsecurity issues:

  • After you type in a content control in a document, the ContentControlBeforeStoreUpdate event is not triggered when the document loses focus.

  • The sub-address of a hyperlink in a document is truncated if the sub-address exceeds 255 characters.

How to get and install the update

Method 1: Microsoft Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, 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: June 11, 2019.

Security update replacement information

This security update replaces previously released security update 4464536.

File hash information

File name

SHA1 hash

SHA256 hash

word2016-kb4464596-fullfile-x86-glb.exe

183B79304A26B4219FE42F362027112378F2DBCA

B1F4852076F6AB26FE2ED91BD142877AE353A666C0674E25E8F28D53E587A7E0

word2016-kb4464596-fullfile-x64-glb.exe

A35278855912A0E2FDF16AABA9CCC5C7FC2F3BE5

75CA286EB962B01E402E8A0EEB578EC82239CE0D0BA392D3AB513DACF66D5DF4


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

16.0.4831.1000

821832

16-May-19

01:10

wwintl.dll_1026

wwintl.dll

16.0.4831.1000

818760

16-May-19

01:10

wwintl.dll_1029

wwintl.dll

16.0.4831.1000

874568

16-May-19

01:10

wwintl.dll_1030

wwintl.dll

16.0.4831.1000

805960

16-May-19

01:10

wwintl.dll_1031

wwintl.dll

16.0.4831.1000

886344

16-May-19

01:10

wwintl.dll_1032

wwintl.dll

16.0.4831.1000

876104

16-May-19

01:10

wwintl.dll_3082

wwintl.dll

16.0.4831.1000

845896

16-May-19

01:10

wwintl.dll_1061

wwintl.dll

16.0.4831.1000

769096

16-May-19

01:10

wwintl.dll_1035

wwintl.dll

16.0.4831.1000

816920

16-May-19

01:10

wwintl.dll_1036

wwintl.dll

16.0.4831.1000

882248

16-May-19

01:10

wwintl.dll_1037

wwintl.dll

16.0.4831.1000

760608

16-May-19

01:10

wwintl.dll_1081

wwintl.dll

16.0.4831.1000

863304

16-May-19

01:10

wwintl.dll_1050

wwintl.dll

16.0.4831.1000

829000

16-May-19

01:10

wwintl.dll_1038

wwintl.dll

16.0.4831.1000

884808

16-May-19

01:10

wwintl.dll_1057

wwintl.dll

16.0.4831.1000

777288

16-May-19

01:10

wwintl.dll_1040

wwintl.dll

16.0.4831.1000

836680

16-May-19

01:10

wwintl.dll_1041

wwintl.dll

16.0.4831.1000

788552

16-May-19

01:10

wwintl.dll_1087

wwintl.dll

16.0.4831.1000

878664

16-May-19

01:10

wwintl.dll_1042

wwintl.dll

16.0.4831.1000

781384

16-May-19

01:10

wwintl.dll_1063

wwintl.dll

16.0.4831.1000

835144

16-May-19

01:10

wwintl.dll_1062

wwintl.dll

16.0.4831.1000

822856

16-May-19

01:10

wwintl.dll_1086

wwintl.dll

16.0.4831.1000

780872

16-May-19

01:10

wwintl.dll_1044

wwintl.dll

16.0.4831.1000

795208

16-May-19

01:10

wwintl.dll_1043

wwintl.dll

16.0.4831.1000

834120

16-May-19

01:10

wwintl.dll_1045

wwintl.dll

16.0.4831.1000

850504

16-May-19

01:10

wwintl.dll_1046

wwintl.dll

16.0.4831.1000

851528

16-May-19

01:10

wwintl.dll_2070

wwintl.dll

16.0.4831.1000

859720

16-May-19

01:10

wwintl.dll_1048

wwintl.dll

16.0.4831.1000

894536

16-May-19

01:10

wwintl.dll_1049

wwintl.dll

16.0.4831.1000

808216

16-May-19

01:10

wwintl.dll_1051

wwintl.dll

16.0.4831.1000

889416

16-May-19

01:10

wwintl.dll_1060

wwintl.dll

16.0.4831.1000

819992

16-May-19

01:10

wwintl.dll_2074

wwintl.dll

16.0.4822.1000

816208

16-May-19

01:10

wwintl.dll_9242

wwintl.dll

16.0.4831.1000

816200

16-May-19

01:10

wwintl.dll_1053

wwintl.dll

16.0.4831.1000

801864

16-May-19

01:10

wwintl.dll_1054

wwintl.dll

16.0.4831.1000

823584

16-May-19

01:10

wwintl.dll_1055

wwintl.dll

16.0.4831.1000

880200

16-May-19

01:10

wwintl.dll_1058

wwintl.dll

16.0.4831.1000

818456

16-May-19

01:10

wwintl.dll_1066

wwintl.dll

16.0.4831.1000

910920

16-May-19

01:10

wwintl.dll_2052

wwintl.dll

16.0.4831.1000

695368

16-May-19

01:10

wwintl.dll_1028

wwintl.dll

16.0.4831.1000

704072

16-May-19

01:10

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

330960

15-May-19

12:12

pdfreflow.exe

pdfreflow.exe

16.0.4837.1000

10304304

15-May-19

12:09

wwintl.dll_1033

wwintl.dll

16.0.4822.1000

698960

15-May-19

12:08

winword.exe

winword.exe

16.0.4861.1000

1944736

16-May-19

12:56

wrd12cnv.dll

wordcnv.dll

16.0.4861.1000

9183176

16-May-19

12:56

wwlib.dll

wwlib.dll

16.0.4861.1000

29619656

16-May-19

12:56

File identifier

File name

File version

File size

Date

Time

calligra.dll

calligra.dll

16.0.4528.1000

338688

16-May-19

01:32

wdsrv.conversion.word.wwintl.dll_1025

wwintl.dll

16.0.4861.1000

951240

16-May-19

12:56

wwintl.dll_1025

wwintl.dll

16.0.4861.1000

951240

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1026

wwintl.dll

16.0.4861.1000

906184

16-May-19

12:56

wwintl.dll_1026

wwintl.dll

16.0.4861.1000

906184

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1029

wwintl.dll

16.0.4861.1000

962936

16-May-19

12:56

wwintl.dll_1029

wwintl.dll

16.0.4861.1000

962936

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1030

wwintl.dll

16.0.4861.1000

893816

16-May-19

12:56

wwintl.dll_1030

wwintl.dll

16.0.4861.1000

893816

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1031

wwintl.dll

16.0.4861.1000

973768

16-May-19

12:56

wwintl.dll_1031

wwintl.dll

16.0.4861.1000

973768

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1032

wwintl.dll

16.0.4861.1000

963984

16-May-19

12:56

wwintl.dll_1032

wwintl.dll

16.0.4861.1000

963984

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_3082

wwintl.dll

16.0.4861.1000

933752

16-May-19

12:56

wwintl.dll_3082

wwintl.dll

16.0.4861.1000

933752

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1061

wwintl.dll

16.0.4861.1000

856528

16-May-19

12:56

wwintl.dll_1061

wwintl.dll

16.0.4861.1000

856528

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1035

wwintl.dll

16.0.4861.1000

904592

16-May-19

12:56

wwintl.dll_1035

wwintl.dll

16.0.4861.1000

904592

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1036

wwintl.dll

16.0.4861.1000

969672

16-May-19

12:56

wwintl.dll_1036

wwintl.dll

16.0.4861.1000

969672

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1037

wwintl.dll

16.0.4861.1000

889800

16-May-19

12:56

wwintl.dll_1037

wwintl.dll

16.0.4861.1000

889800

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1081

wwintl.dll

16.0.4861.1000

950736

16-May-19

12:56

wwintl.dll_1081

wwintl.dll

16.0.4861.1000

950736

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1050

wwintl.dll

16.0.4861.1000

916424

16-May-19

12:56

wwintl.dll_1050

wwintl.dll

16.0.4861.1000

916424

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1038

wwintl.dll

16.0.4861.1000

972232

16-May-19

12:56

wwintl.dll_1038

wwintl.dll

16.0.4861.1000

972232

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1057

wwintl.dll

16.0.4861.1000

864712

16-May-19

12:56

wwintl.dll_1057

wwintl.dll

16.0.4861.1000

864712

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1040

wwintl.dll

16.0.4861.1000

924104

16-May-19

12:56

wwintl.dll_1040

wwintl.dll

16.0.4861.1000

924104

16-May-19

12:56

wac.word.wwintl.dll_1041

wwintl.dll

16.0.4861.1000

875984

wdsrv.conversion.word.wwintl.dll_1041

wwintl.dll

16.0.4861.1000

875984

16-May-19

12:56

wwintl.dll_1041

wwintl.dll

16.0.4861.1000

875984

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1087

wwintl.dll

16.0.4861.1000

966600

16-May-19

12:56

wwintl.dll_1087

wwintl.dll

16.0.4861.1000

966600

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1042

wwintl.dll

16.0.4861.1000

869320

16-May-19

12:56

wwintl.dll_1042

wwintl.dll

16.0.4861.1000

869320

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1063

wwintl.dll

16.0.4861.1000

923080

16-May-19

12:56

wwintl.dll_1063

wwintl.dll

16.0.4861.1000

923080

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1062

wwintl.dll

16.0.4861.1000

910280

16-May-19

12:56

wwintl.dll_1062

wwintl.dll

16.0.4861.1000

910280

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1086

wwintl.dll

16.0.4861.1000

868808

16-May-19

12:56

wwintl.dll_1086

wwintl.dll

16.0.4861.1000

868808

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1044

wwintl.dll

16.0.4861.1000

882632

16-May-19

12:56

wwintl.dll_1044

wwintl.dll

16.0.4861.1000

882632

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1043

wwintl.dll

16.0.4861.1000

922056

16-May-19

12:56

wwintl.dll_1043

wwintl.dll

16.0.4861.1000

922056

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1045

wwintl.dll

16.0.4861.1000

938440

16-May-19

12:56

wwintl.dll_1045

wwintl.dll

16.0.4861.1000

938440

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_1046

wwintl.dll

16.0.4861.1000

939464

16-May-19

12:56

wwintl.dll_1046

wwintl.dll

16.0.4861.1000

939464

16-May-19

12:56

wdsrv.conversion.word.wwintl.dll_2070

wwintl.dll

16.0.4861.1000

947144

16-May-19

12:57

wwintl.dll_2070

wwintl.dll

16.0.4861.1000

947144

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1048

wwintl.dll

16.0.4861.1000

982472

16-May-19

12:57

wwintl.dll_1048

wwintl.dll

16.0.4861.1000

982472

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1049

wwintl.dll

16.0.4861.1000

895648

16-May-19

12:57

wwintl.dll_1049

wwintl.dll

16.0.4861.1000

895648

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1051

wwintl.dll

16.0.4861.1000

977352

16-May-19

12:57

wwintl.dll_1051

wwintl.dll

16.0.4861.1000

977352

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1060

wwintl.dll

16.0.4861.1000

907208

16-May-19

12:57

wwintl.dll_1060

wwintl.dll

16.0.4861.1000

907208

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_2074

wwintl.dll

16.0.4861.1000

904048

16-May-19

12:57

wwintl.dll_2074

wwintl.dll

16.0.4861.1000

904048

16-May-19

12:57

wac.word.wwintl.dll_9242

wwintl.dll

16.0.4861.1000

904048

wdsrv.conversion.word.wwintl.dll_9242

wwintl.dll

16.0.4861.1000

904048

16-May-19

12:57

wwintl.dll_9242

wwintl.dll

16.0.4861.1000

904048

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1053

wwintl.dll

16.0.4861.1000

889288

16-May-19

12:57

wwintl.dll_1053

wwintl.dll

16.0.4861.1000

889288

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1054

wwintl.dll

16.0.4861.1000

911224

16-May-19

12:57

wwintl.dll_1054

wwintl.dll

16.0.4861.1000

911224

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1055

wwintl.dll

16.0.4861.1000

967624

16-May-19

12:57

wwintl.dll_1055

wwintl.dll

16.0.4861.1000

967624

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1058

wwintl.dll

16.0.4861.1000

905888

16-May-19

12:57

wwintl.dll_1058

wwintl.dll

16.0.4861.1000

905888

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1066

wwintl.dll

16.0.4861.1000

999280

16-May-19

12:57

wwintl.dll_1066

wwintl.dll

16.0.4861.1000

999280

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_2052

wwintl.dll

16.0.4861.1000

782792

16-May-19

12:57

wwintl.dll_2052

wwintl.dll

16.0.4861.1000

782792

16-May-19

12:57

wdsrv.conversion.word.wwintl.dll_1028

wwintl.dll

16.0.4861.1000

791920

16-May-19

12:57

wwintl.dll_1028

wwintl.dll

16.0.4861.1000

791920

16-May-19

12:57

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

331168

15-May-19

12:19

pdfreflow.exe

pdfreflow.exe

16.0.4837.1000

15916848

15-May-19

12:17

wac.word.wwintl.dll_1033

wwintl.dll

16.0.4822.1000

778312

wdsrv.conversion.word.wwintl.dll_1033

wwintl.dll

16.0.4822.1000

778312

15-May-19

12:13

wwintl.dll_1033

wwintl.dll

16.0.4822.1000

778312

15-May-19

12:13

winword.exe

winword.exe

16.0.4861.1000

1947592

16-May-19

12:58

wrd12cnv.dll

wordcnv.dll

16.0.4861.1000

11888072

16-May-19

12:58

wwlib.dll

wwlib.dll

16.0.4861.1000

37238216

16-May-19

12:58

How to get help and support for this security update

Help for installing updates: Protect yourself online

Help for protecting your Windows-based computer from viruses and malware: Microsoft Security

Local support according to your country: International Support

Need more help?

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