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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 Microsoft Common Vulnerabilities and Exposures CVE-2018-8430.

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

Improvements and fixes

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

  • Assume that the Azure Information Protection (AIP) add-in is active and that no Digital Rights Management (DRM) protection is applied in Word 2016. When you save a document in XPS format, you receive the following error message:

    The export failed due to an unexpected error.

  • When you send a document as an attachment by going to File > Share > Attach a copy instead > Word Document, you receive the following error message:

    Word couldn't send mail because of MAPI failure:"Attachment not found".

  • When you compare two documents that contain tables, some text that is displayed in two source documents is missing in the compared document. Additionally, you may receive the following error message:

    A table in this document has become corrupted.

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 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 security update deployment information: September 11, 2018.

Security update replacement information

This security update replaces previously released security update KB4022218.

File hash information

Package name

SHA1 hash

SHA256 hash

word2016-kb4092447-fullfile-x64-glb.exe

3FCD55A11E549C6BA781E02ED018B5B27DD2B1FA

735C2A641A5F7B70D615797EC35F56109D62D913E5BC2AA67ED6D30BB798D040

word2016-kb4092447-fullfile-x86-glb.exe

956F2471C999A4446088FF15F107BC3C0D21E80C

09ED9FBB48AF093CE3EF6252F785CC3364484A402B1D9012AC69F1EA3314B89E


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

16.0.4684.1000

821416

15-Aug-18

01:34

wwintl.dll_1026

wwintl.dll

16.0.4684.1000

818856

15-Aug-18

01:34

wwintl.dll_1029

wwintl.dll

16.0.4684.1000

874664

15-Aug-18

01:34

wwintl.dll_1030

wwintl.dll

16.0.4684.1000

806056

15-Aug-18

01:34

wwintl.dll_1031

wwintl.dll

16.0.4684.1000

885928

15-Aug-18

01:34

wwintl.dll_1032

wwintl.dll

16.0.4684.1000

876200

15-Aug-18

01:34

wwintl.dll_3082

wwintl.dll

16.0.4684.1000

845480

15-Aug-18

01:34

wwintl.dll_1061

wwintl.dll

16.0.4684.1000

769192

15-Aug-18

01:34

wwintl.dll_1035

wwintl.dll

16.0.4684.1000

816296

15-Aug-18

01:34

wwintl.dll_1036

wwintl.dll

16.0.4684.1000

881832

15-Aug-18

01:34

wwintl.dll_1037

wwintl.dll

16.0.4684.1000

759976

15-Aug-18

01:34

wwintl.dll_1081

wwintl.dll

16.0.4684.1000

863400

15-Aug-18

01:34

wwintl.dll_1050

wwintl.dll

16.0.4684.1000

828584

15-Aug-18

01:34

wwintl.dll_1038

wwintl.dll

16.0.4684.1000

884392

15-Aug-18

01:34

wwintl.dll_1057

wwintl.dll

16.0.4684.1000

777384

15-Aug-18

01:34

wwintl.dll_1040

wwintl.dll

16.0.4684.1000

836776

15-Aug-18

01:34

wwintl.dll_1041

wwintl.dll

16.0.4684.1000

788136

15-Aug-18

01:34

wwintl.dll_1087

wwintl.dll

16.0.4684.1000

878760

15-Aug-18

01:34

wwintl.dll_1042

wwintl.dll

16.0.4684.1000

781480

15-Aug-18

01:34

wwintl.dll_1063

wwintl.dll

16.0.4684.1000

835240

15-Aug-18

01:34

wwintl.dll_1062

wwintl.dll

16.0.4684.1000

822440

15-Aug-18

01:34

wwintl.dll_1086

wwintl.dll

16.0.4684.1000

780968

15-Aug-18

01:34

wwintl.dll_1044

wwintl.dll

16.0.4684.1000

794792

15-Aug-18

01:34

wwintl.dll_1043

wwintl.dll

16.0.4732.1000

835640

15-Aug-18

01:34

wwintl.dll_1045

wwintl.dll

16.0.4684.1000

850600

15-Aug-18

01:34

wwintl.dll_1046

wwintl.dll

16.0.4684.1000

851624

15-Aug-18

01:34

wwintl.dll_2070

wwintl.dll

16.0.4684.1000

859304

15-Aug-18

01:34

wwintl.dll_1048

wwintl.dll

16.0.4684.1000

894632

15-Aug-18

01:34

wwintl.dll_1049

wwintl.dll

16.0.4684.1000

807592

15-Aug-18

01:34

wwintl.dll_1051

wwintl.dll

16.0.4684.1000

889512

15-Aug-18

01:34

wwintl.dll_1060

wwintl.dll

16.0.4684.1000

819368

15-Aug-18

01:34

wwintl.dll_2074

wwintl.dll

16.0.4684.1000

815784

15-Aug-18

01:34

wwintl.dll_9242

wwintl.dll

16.0.4684.1000

815784

15-Aug-18

01:34

wwintl.dll_1053

wwintl.dll

16.0.4684.1000

801448

15-Aug-18

01:34

wwintl.dll_1054

wwintl.dll

16.0.4684.1000

823464

15-Aug-18

01:34

wwintl.dll_1055

wwintl.dll

16.0.4684.1000

879784

15-Aug-18

01:34

wwintl.dll_1058

wwintl.dll

16.0.4684.1000

818344

15-Aug-18

01:34

wwintl.dll_1066

wwintl.dll

16.0.4684.1000

911016

15-Aug-18

01:34

wwintl.dll_2052

wwintl.dll

16.0.4684.1000

694952

15-Aug-18

01:34

wwintl.dll_1028

wwintl.dll

16.0.4684.1000

704168

15-Aug-18

01:34

pdfreflow.exe

pdfreflow.exe

16.0.4744.1000

10304608

15-Aug-18

12:42

wwintl.dll_1033

wwintl.dll

16.0.4684.1000

698536

14-Aug-18

01:25

winword.exe

winword.exe

16.0.4744.1000

1937480

15-Aug-18

12:42

wrd12cnv.dll

wordcnv.dll

16.0.4744.1000

9166920

15-Aug-18

12:42

wwlib.dll

wwlib.dll

16.0.4744.1000

29595280

15-Aug-18

12:42

How to get help and support for this security update

Help for installing updates: Windows Update: FAQ

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

Local support according to your country: International Support

File identifier

File name

File version

File size

Date

Time

calligra.dll

calligra.dll

16.0.4528.1000

338688

15-Aug-18

01:54

wdsrv.conversion.word.wwintl.dll_1025

wwintl.dll

16.0.4744.1000

945624

15-Aug-18

12:43

wwintl.dll_1025

wwintl.dll

16.0.4744.1000

945624

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1026

wwintl.dll

16.0.4744.1000

897680

15-Aug-18

12:43

wwintl.dll_1026

wwintl.dll

16.0.4744.1000

897680

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1029

wwintl.dll

16.0.4744.1000

953496

15-Aug-18

12:43

wwintl.dll_1029

wwintl.dll

16.0.4744.1000

953496

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1030

wwintl.dll

16.0.4744.1000

886304

15-Aug-18

12:43

wwintl.dll_1030

wwintl.dll

16.0.4744.1000

886304

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1031

wwintl.dll

16.0.4744.1000

966760

15-Aug-18

12:43

wwintl.dll_1031

wwintl.dll

16.0.4744.1000

966760

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1032

wwintl.dll

16.0.4744.1000

955032

15-Aug-18

12:43

wwintl.dll_1032

wwintl.dll

16.0.4744.1000

955032

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_3082

wwintl.dll

16.0.4744.1000

924824

15-Aug-18

12:43

wwintl.dll_3082

wwintl.dll

16.0.4744.1000

924824

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1061

wwintl.dll

16.0.4744.1000

850904

15-Aug-18

12:43

wwintl.dll_1061

wwintl.dll

16.0.4744.1000

850904

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1035

wwintl.dll

16.0.4744.1000

895120

15-Aug-18

12:43

wwintl.dll_1035

wwintl.dll

16.0.4744.1000

895120

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1036

wwintl.dll

16.0.4744.1000

960664

15-Aug-18

12:43

wwintl.dll_1036

wwintl.dll

16.0.4744.1000

960664

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1037

wwintl.dll

16.0.4744.1000

882720

15-Aug-18

12:43

wwintl.dll_1037

wwintl.dll

16.0.4744.1000

882720

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1081

wwintl.dll

16.0.4744.1000

942232

15-Aug-18

12:43

wwintl.dll_1081

wwintl.dll

16.0.4744.1000

942232

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1050

wwintl.dll

16.0.4744.1000

907416

15-Aug-18

12:43

wwintl.dll_1050

wwintl.dll

16.0.4744.1000

907416

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1038

wwintl.dll

16.0.4744.1000

963224

15-Aug-18

12:43

wwintl.dll_1038

wwintl.dll

16.0.4744.1000

963224

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1057

wwintl.dll

16.0.4744.1000

857672

15-Aug-18

12:43

wwintl.dll_1057

wwintl.dll

16.0.4744.1000

857672

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1040

wwintl.dll

16.0.4744.1000

917056

15-Aug-18

12:43

wwintl.dll_1040

wwintl.dll

16.0.4744.1000

917056

15-Aug-18

12:43

wac.word.wwintl.dll_1041

wwintl.dll

16.0.4744.1000

868424

wdsrv.conversion.word.wwintl.dll_1041

wwintl.dll

16.0.4744.1000

868424

15-Aug-18

12:43

wwintl.dll_1041

wwintl.dll

16.0.4744.1000

868424

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1087

wwintl.dll

16.0.4744.1000

957592

15-Aug-18

12:43

wwintl.dll_1087

wwintl.dll

16.0.4744.1000

957592

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1042

wwintl.dll

16.0.4744.1000

863192

15-Aug-18

12:43

wwintl.dll_1042

wwintl.dll

16.0.4744.1000

863192

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1063

wwintl.dll

16.0.4744.1000

915488

15-Aug-18

12:43

wwintl.dll_1063

wwintl.dll

16.0.4744.1000

915488

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1062

wwintl.dll

16.0.4744.1000

902736

15-Aug-18

12:43

wwintl.dll_1062

wwintl.dll

16.0.4744.1000

902736

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1086

wwintl.dll

16.0.4744.1000

862680

15-Aug-18

12:43

wwintl.dll_1086

wwintl.dll

16.0.4744.1000

862680

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1044

wwintl.dll

16.0.4744.1000

875040

15-Aug-18

12:43

wwintl.dll_1044

wwintl.dll

16.0.4744.1000

875040

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1043

wwintl.dll

16.0.4744.1000

913048

15-Aug-18

12:43

wwintl.dll_1043

wwintl.dll

16.0.4744.1000

913048

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1045

wwintl.dll

16.0.4744.1000

929432

15-Aug-18

12:43

wwintl.dll_1045

wwintl.dll

16.0.4744.1000

929432

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1046

wwintl.dll

16.0.4744.1000

933336

15-Aug-18

12:43

wwintl.dll_1046

wwintl.dll

16.0.4744.1000

933336

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_2070

wwintl.dll

16.0.4744.1000

939552

15-Aug-18

12:43

wwintl.dll_2070

wwintl.dll

16.0.4744.1000

939552

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1048

wwintl.dll

16.0.4744.1000

973464

15-Aug-18

12:43

wwintl.dll_1048

wwintl.dll

16.0.4744.1000

973464

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1049

wwintl.dll

16.0.4744.1000

887840

15-Aug-18

12:43

wwintl.dll_1049

wwintl.dll

16.0.4744.1000

887840

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1051

wwintl.dll

16.0.4744.1000

969800

15-Aug-18

12:43

wwintl.dll_1051

wwintl.dll

16.0.4744.1000

969800

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_1060

wwintl.dll

16.0.4744.1000

898200

15-Aug-18

12:43

wwintl.dll_1060

wwintl.dll

16.0.4744.1000

898200

15-Aug-18

12:43

wdsrv.conversion.word.wwintl.dll_2074

wwintl.dll

16.0.4744.1000

896064

15-Aug-18

12:44

wwintl.dll_2074

wwintl.dll

16.0.4744.1000

896064

15-Aug-18

12:44

wac.word.wwintl.dll_9242

wwintl.dll

16.0.4744.1000

896544

wdsrv.conversion.word.wwintl.dll_9242

wwintl.dll

16.0.4744.1000

896544

15-Aug-18

12:44

wwintl.dll_9242

wwintl.dll

16.0.4744.1000

896544

15-Aug-18

12:44

wdsrv.conversion.word.wwintl.dll_1053

wwintl.dll

16.0.4744.1000

880272

15-Aug-18

12:44

wwintl.dll_1053

wwintl.dll

16.0.4744.1000

880272

15-Aug-18

12:44

wdsrv.conversion.word.wwintl.dll_1054

wwintl.dll

16.0.4744.1000

903752

15-Aug-18

12:44

wwintl.dll_1054

wwintl.dll

16.0.4744.1000

903752

15-Aug-18

12:44

wdsrv.conversion.word.wwintl.dll_1055

wwintl.dll

16.0.4744.1000

960544

15-Aug-18

12:44

wwintl.dll_1055

wwintl.dll

16.0.4744.1000

960544

15-Aug-18

12:44

wdsrv.conversion.word.wwintl.dll_1058

wwintl.dll

16.0.4744.1000

898632

15-Aug-18

12:44

wwintl.dll_1058

wwintl.dll

16.0.4744.1000

898632

15-Aug-18

12:44

wdsrv.conversion.word.wwintl.dll_1066

wwintl.dll

16.0.4744.1000

989848

15-Aug-18

12:44

wwintl.dll_1066

wwintl.dll

16.0.4744.1000

989848

15-Aug-18

12:44

wdsrv.conversion.word.wwintl.dll_2052

wwintl.dll

16.0.4744.1000

774320

15-Aug-18

12:44

wwintl.dll_2052

wwintl.dll

16.0.4744.1000

774320

15-Aug-18

12:44

wdsrv.conversion.word.wwintl.dll_1028

wwintl.dll

16.0.4744.1000

784456

15-Aug-18

12:44

wwintl.dll_1028

wwintl.dll

16.0.4744.1000

784456

15-Aug-18

12:44

pdfreflow.exe

pdfreflow.exe

16.0.4744.1000

15918688

15-Aug-18

12:45

wac.word.wwintl.dll_1033

wwintl.dll

16.0.4666.1000

778408

wdsrv.conversion.word.wwintl.dll_1033

wwintl.dll

16.0.4666.1000

778408

14-Aug-18

01:28

wwintl.dll_1033

wwintl.dll

16.0.4666.1000

778408

14-Aug-18

01:28

winword.exe

winword.exe

16.0.4744.1000

1939096

15-Aug-18

12:45

wrd12cnv.dll

wordcnv.dll

16.0.4744.1000

11868704

15-Aug-18

12:45

wwlib.dll

wwlib.dll

16.0.4744.1000

37216288

15-Aug-18

12:45

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