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Summary

This security update resolves a Microsoft Outlook remote code execution vulnerability, and it provides a Microsoft Office update for defense-in-depth updates to help improve security-related features. To learn more about the vulnerabilities, see the following security advisories:

Note: To apply this security update, you must have the release version of Microsoft 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 fixes an issue that occurs if a bookmark includes supported characters from an extended range.

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 Deployments - Security Update Guide.

Security update replacement information

This security update replaces previously released security update 5002323.

File hash information

File name

SHA256 hash

word2016-kb5002464-fullfile-x86-glb.exe

A7D3E67723F71D2602C534835EFD1B8802651CC5F2063E9124B2886637E9A45F

word2016-kb5002464-fullfile-x64-glb.exe

1B7AB4A9E6D57F9089ECC98D26E31303CD5B93FF0D757D65B7126D9CC62BEC70

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

27-Jul-23

06:08

wwintl.dll_1025

wwintl.dll

16.0.4936.1000

823584

28-Jul-23

08:40

wwintl.dll_1026

wwintl.dll

16.0.4936.1000

820504

28-Jul-23

08:40

wwintl.dll_1029

wwintl.dll

16.0.4936.1000

876320

28-Jul-23

08:40

wwintl.dll_1030

wwintl.dll

16.0.4936.1000

807712

28-Jul-23

08:40

wwintl.dll_1031

wwintl.dll

16.0.4936.1000

888088

28-Jul-23

08:40

wwintl.dll_1032

wwintl.dll

16.0.4936.1000

877856

28-Jul-23

08:40

wwintl.dll_3082

wwintl.dll

16.0.5362.1000

849784

28-Jul-23

08:40

wwintl.dll_1061

wwintl.dll

16.0.4936.1000

770840

28-Jul-23

08:40

wwintl.dll_1035

wwintl.dll

16.0.4936.1000

818464

28-Jul-23

08:40

wwintl.dll_1036

wwintl.dll

16.0.5377.1000

886136

28-Jul-23

08:40

wwintl.dll_1037

wwintl.dll

16.0.4936.1000

762144

28-Jul-23

08:40

wwintl.dll_1081

wwintl.dll

16.0.4936.1000

865056

28-Jul-23

08:40

wwintl.dll_1050

wwintl.dll

16.0.4936.1000

830744

28-Jul-23

08:40

wwintl.dll_1038

wwintl.dll

16.0.4936.1000

886560

28-Jul-23

08:40

wwintl.dll_1057

wwintl.dll

16.0.4936.1000

779040

28-Jul-23

08:40

wwintl.dll_1040

wwintl.dll

16.0.4936.1000

838424

28-Jul-23

08:40

wwintl.dll_1041

wwintl.dll

16.0.5386.1000

792456

28-Jul-23

08:39

wwintl.dll_1087

wwintl.dll

16.0.4936.1000

880408

28-Jul-23

08:40

wwintl.dll_1042

wwintl.dll

16.0.4936.1000

783136

28-Jul-23

08:40

wwintl.dll_1063

wwintl.dll

16.0.4936.1000

836896

28-Jul-23

08:40

wwintl.dll_1062

wwintl.dll

16.0.4936.1000

824608

28-Jul-23

08:40

wwintl.dll_1086

wwintl.dll

16.0.4936.1000

782616

28-Jul-23

08:40

wwintl.dll_1044

wwintl.dll

16.0.4936.1000

797168

28-Jul-23

08:40

wwintl.dll_1043

wwintl.dll

16.0.4936.1000

835872

28-Jul-23

08:40

wwintl.dll_1045

wwintl.dll

16.0.4936.1000

852256

28-Jul-23

08:40

wwintl.dll_1046

wwintl.dll

16.0.4936.1000

853280

28-Jul-23

08:40

wwintl.dll_2070

wwintl.dll

16.0.4936.1000

861464

28-Jul-23

08:40

wwintl.dll_1048

wwintl.dll

16.0.4936.1000

896280

28-Jul-23

08:40

wwintl.dll_1049

wwintl.dll

16.0.4936.1000

809968

28-Jul-23

08:40

wwintl.dll_1051

wwintl.dll

16.0.4936.1000

891160

28-Jul-23

08:40

wwintl.dll_1060

wwintl.dll

16.0.4936.1000

821768

28-Jul-23

08:40

wwintl.dll_2074

wwintl.dll

16.0.4936.1000

817944

28-Jul-23

08:40

wwintl.dll_9242

wwintl.dll

16.0.4936.1000

817952

28-Jul-23

08:40

wwintl.dll_1053

wwintl.dll

16.0.4936.1000

803616

28-Jul-23

08:40

wwintl.dll_1054

wwintl.dll

16.0.4936.1000

825112

28-Jul-23

08:40

wwintl.dll_1055

wwintl.dll

16.0.4936.1000

881952

28-Jul-23

08:40

wwintl.dll_1058

wwintl.dll

16.0.4936.1000

820000

28-Jul-23

08:40

wwintl.dll_1066

wwintl.dll

16.0.4936.1000

912672

28-Jul-23

08:40

wwintl.dll_2052

wwintl.dll

16.0.4936.1000

697120

28-Jul-23

08:40

wwintl.dll_1028

wwintl.dll

16.0.4936.1000

706240

28-Jul-23

08:40

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

330960

27-Jul-23

06:08

pdfreflow.exe

pdfreflow.exe

16.0.5377.1000

10308536

27-Jul-23

06:05

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

701152

27-Jul-23

06:04

msword.olb

msword.olb

939304

27-Jul-23

06:05

winword.exe

winword.exe

16.0.5408.1001

1939856

27-Jul-23

06:05

wrd12cnv.dll

wordcnv.dll

16.0.5408.1001

9186704

27-Jul-23

06:05

wwlib.dll

wwlib.dll

16.0.5408.1001

29632400

27-Jul-23

06:05

File identifier

File name

File version

File size

Date

Time

calligra.dll

calligra.dll

16.0.4528.1000

338688

28-Jul-23

08:57

genko.dll

genko.dll

16.0.5032.1000

513368

27-Jul-23

06:11

wdsrv.conversion.word.wwintl.dll_1025

wwintl.dll

16.0.5408.1002

946568

28-Jul-23

10:56

wwintl.dll_1025

wwintl.dll

16.0.5408.1002

946568

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1026

wwintl.dll

16.0.5408.1002

901512

28-Jul-23

10:56

wwintl.dll_1026

wwintl.dll

16.0.5408.1002

901512

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1029

wwintl.dll

16.0.5408.1002

957792

28-Jul-23

10:56

wwintl.dll_1029

wwintl.dll

16.0.5408.1002

957792

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1030

wwintl.dll

16.0.5408.1002

888712

28-Jul-23

10:56

wwintl.dll_1030

wwintl.dll

16.0.5408.1002

888712

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1031

wwintl.dll

16.0.5408.1002

969096

28-Jul-23

10:56

wwintl.dll_1031

wwintl.dll

16.0.5408.1002

969096

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1032

wwintl.dll

16.0.5408.1002

958856

28-Jul-23

10:56

wwintl.dll_1032

wwintl.dll

16.0.5408.1002

958856

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_3082

wwintl.dll

16.0.5408.1002

928568

28-Jul-23

10:56

wwintl.dll_3082

wwintl.dll

16.0.5408.1002

928568

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1061

wwintl.dll

16.0.5408.1002

851848

28-Jul-23

10:56

wwintl.dll_1061

wwintl.dll

16.0.5408.1002

851848

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1035

wwintl.dll

16.0.5408.1002

899464

28-Jul-23

10:56

wwintl.dll_1035

wwintl.dll

16.0.5408.1002

899464

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1036

wwintl.dll

16.0.5408.1002

965000

28-Jul-23

10:56

wwintl.dll_1036

wwintl.dll

16.0.5408.1002

965000

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1037

wwintl.dll

16.0.5408.1002

885088

28-Jul-23

10:56

wwintl.dll_1037

wwintl.dll

16.0.5408.1002

885088

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1081

wwintl.dll

16.0.5408.1002

946488

28-Jul-23

10:56

wwintl.dll_1081

wwintl.dll

16.0.5408.1002

946488

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1050

wwintl.dll

16.0.5408.1002

911752

28-Jul-23

10:56

wwintl.dll_1050

wwintl.dll

16.0.5408.1002

911752

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1038

wwintl.dll

16.0.5408.1002

967520

28-Jul-23

10:56

wwintl.dll_1038

wwintl.dll

16.0.5408.1002

967520

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1057

wwintl.dll

16.0.5408.1002

860040

28-Jul-23

10:56

wwintl.dll_1057

wwintl.dll

16.0.5408.1002

860040

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1040

wwintl.dll

16.0.5408.1002

919392

28-Jul-23

10:56

wwintl.dll_1040

wwintl.dll

16.0.5408.1002

919392

28-Jul-23

10:56

wac.word.wwintl.dll_1041

wwintl.dll

16.0.5408.1002

871264

wdsrv.conversion.word.wwintl.dll_1041

wwintl.dll

16.0.5408.1002

871264

28-Jul-23

10:56

wwintl.dll_1041

wwintl.dll

16.0.5408.1002

871264

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1087

wwintl.dll

16.0.5408.1002

961888

28-Jul-23

10:56

wwintl.dll_1087

wwintl.dll

16.0.5408.1002

961888

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1042

wwintl.dll

16.0.5408.1002

864560

28-Jul-23

10:56

wwintl.dll_1042

wwintl.dll

16.0.5408.1002

864560

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1063

wwintl.dll

16.0.5408.1002

918368

28-Jul-23

10:56

wwintl.dll_1063

wwintl.dll

16.0.5408.1002

918368

28-Jul-23

10:56

wdsrv.conversion.word.wwintl.dll_1062

wwintl.dll

16.0.5408.1002

905568

28-Jul-23

10:57

wwintl.dll_1062

wwintl.dll

16.0.5408.1002

905568

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1086

wwintl.dll

16.0.5408.1002

864048

28-Jul-23

10:57

wwintl.dll_1086

wwintl.dll

16.0.5408.1002

864048

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1044

wwintl.dll

16.0.5408.1002

877920

28-Jul-23

10:57

wwintl.dll_1044

wwintl.dll

16.0.5408.1002

877920

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1043

wwintl.dll

16.0.5408.1002

917304

28-Jul-23

10:57

wwintl.dll_1043

wwintl.dll

16.0.5408.1002

917304

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1045

wwintl.dll

16.0.5408.1002

933688

28-Jul-23

10:57

wwintl.dll_1045

wwintl.dll

16.0.5408.1002

933688

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1046

wwintl.dll

16.0.5408.1002

934712

28-Jul-23

10:57

wwintl.dll_1046

wwintl.dll

16.0.5408.1002

934712

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_2070

wwintl.dll

16.0.5408.1002

942392

28-Jul-23

10:57

wwintl.dll_2070

wwintl.dll

16.0.5408.1002

942392

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1048

wwintl.dll

16.0.5408.1002

977720

28-Jul-23

10:57

wwintl.dll_1048

wwintl.dll

16.0.5408.1002

977720

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1049

wwintl.dll

16.0.5408.1002

890672

28-Jul-23

10:57

wwintl.dll_1049

wwintl.dll

16.0.5408.1002

890672

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1051

wwintl.dll

16.0.5408.1002

972640

28-Jul-23

10:57

wwintl.dll_1051

wwintl.dll

16.0.5408.1002

972640

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1060

wwintl.dll

16.0.5408.1002

902496

28-Jul-23

10:57

wwintl.dll_1060

wwintl.dll

16.0.5408.1002

902496

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_2074

wwintl.dll

16.0.5408.1002

898864

28-Jul-23

10:57

wwintl.dll_2074

wwintl.dll

16.0.5408.1002

898864

28-Jul-23

10:57

wac.word.wwintl.dll_9242

wwintl.dll

16.0.5408.1002

898912

wdsrv.conversion.word.wwintl.dll_9242

wwintl.dll

16.0.5408.1002

898912

28-Jul-23

10:57

wwintl.dll_9242

wwintl.dll

16.0.5408.1002

898912

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1053

wwintl.dll

16.0.5408.1002

884528

28-Jul-23

10:57

wwintl.dll_1053

wwintl.dll

16.0.5408.1002

884528

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1054

wwintl.dll

16.0.5408.1002

906080

28-Jul-23

10:57

wwintl.dll_1054

wwintl.dll

16.0.5408.1002

906080

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1055

wwintl.dll

16.0.5408.1002

962912

28-Jul-23

10:57

wwintl.dll_1055

wwintl.dll

16.0.5408.1002

962912

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1058

wwintl.dll

16.0.5408.1002

900912

28-Jul-23

10:57

wwintl.dll_1058

wwintl.dll

16.0.5408.1002

900912

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1066

wwintl.dll

16.0.5408.1002

994104

28-Jul-23

10:57

wwintl.dll_1066

wwintl.dll

16.0.5408.1002

994104

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_2052

wwintl.dll

16.0.5408.1002

778080

28-Jul-23

10:57

wwintl.dll_2052

wwintl.dll

16.0.5408.1002

778080

28-Jul-23

10:57

wdsrv.conversion.word.wwintl.dll_1028

wwintl.dll

16.0.5408.1002

786744

28-Jul-23

10:57

wwintl.dll_1028

wwintl.dll

16.0.5408.1002

786744

28-Jul-23

10:57

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

331168

27-Jul-23

06:11

pdfreflow.exe

pdfreflow.exe

16.0.5377.1000

15922632

27-Jul-23

06:08

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

27-Jul-23

06:03

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

780488

27-Jul-23

06:03

msword.olb

msword.olb

939304

27-Jul-23

06:08

winword.exe

winword.exe

16.0.5408.1001

1942840

27-Jul-23

06:08

wrd12cnv.dll

wordcnv.dll

16.0.5408.1001

11894584

27-Jul-23

06:08

wwlib.dll

wwlib.dll

16.0.5408.1001

37257016

27-Jul-23

06:08

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