Description of the security update for Word 2016: September 8, 2020

Summary

This security update resolves a remote code execution vulnerability that exists in Microsoft Word if the software does not correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1218.

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 the following fix:

  • Fixes a performance issue that can occur when you switch from another application to Outlook.

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 security update deployment information: September 8, 2020.

Security update replacement information

This security update replaces previously released security update 4484474.

File hash information

File name

SHA1 hash

SHA256 hash

word2016-kb4484510-fullfile-x86-glb.exe

3189428DDAFE4817D0B5904E4E76D9502DD4B55A

4FE5D65B881803918FC90FD22A92296B05868FE69EECB6D404BDBFAA3E9A2BA4

word2016-kb4484510-fullfile-x64-glb.exe

C49918ADFA2AFDEBDA43D8B4C0DABBC23F742506

E31BCDAEBB839938D41CE5B30E0AFA63F47F487936EE64145995CCCFE873967E


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

11-Aug-20

04:25

wwintl.dll_1025

wwintl.dll

16.0.4936.1000

823584

12-Aug-20

05:39

wwintl.dll_1026

wwintl.dll

16.0.4936.1000

820504

12-Aug-20

05:39

wwintl.dll_1029

wwintl.dll

16.0.4936.1000

876320

12-Aug-20

05:39

wwintl.dll_1030

wwintl.dll

16.0.4936.1000

807712

12-Aug-20

05:39

wwintl.dll_1031

wwintl.dll

16.0.4936.1000

888088

12-Aug-20

05:39

wwintl.dll_1032

wwintl.dll

16.0.4936.1000

877856

12-Aug-20

05:39

wwintl.dll_3082

wwintl.dll

16.0.4936.1000

847648

12-Aug-20

05:39

wwintl.dll_1061

wwintl.dll

16.0.4936.1000

770840

12-Aug-20

05:39

wwintl.dll_1035

wwintl.dll

16.0.4936.1000

818464

12-Aug-20

05:39

wwintl.dll_1036

wwintl.dll

16.0.4936.1000

883992

12-Aug-20

05:39

wwintl.dll_1037

wwintl.dll

16.0.4936.1000

762144

12-Aug-20

05:39

wwintl.dll_1081

wwintl.dll

16.0.4936.1000

865056

12-Aug-20

05:39

wwintl.dll_1050

wwintl.dll

16.0.4936.1000

830744

12-Aug-20

05:39

wwintl.dll_1038

wwintl.dll

16.0.4936.1000

886560

12-Aug-20

05:39

wwintl.dll_1057

wwintl.dll

16.0.4936.1000

779040

12-Aug-20

05:39

wwintl.dll_1040

wwintl.dll

16.0.4936.1000

838424

12-Aug-20

05:39

wwintl.dll_1041

wwintl.dll

16.0.4936.1000

790304

12-Aug-20

05:39

wwintl.dll_1087

wwintl.dll

16.0.4936.1000

880408

12-Aug-20

05:39

wwintl.dll_1042

wwintl.dll

16.0.4936.1000

783136

12-Aug-20

05:40

wwintl.dll_1063

wwintl.dll

16.0.4936.1000

836896

12-Aug-20

05:40

wwintl.dll_1062

wwintl.dll

16.0.4936.1000

824608

12-Aug-20

05:40

wwintl.dll_1086

wwintl.dll

16.0.4936.1000

782616

12-Aug-20

05:40

wwintl.dll_1044

wwintl.dll

16.0.4936.1000

797168

12-Aug-20

05:40

wwintl.dll_1043

wwintl.dll

16.0.4936.1000

835872

12-Aug-20

05:40

wwintl.dll_1045

wwintl.dll

16.0.4936.1000

852256

12-Aug-20

05:40

wwintl.dll_1046

wwintl.dll

16.0.4936.1000

853280

12-Aug-20

05:40

wwintl.dll_2070

wwintl.dll

16.0.4936.1000

861464

12-Aug-20

05:40

wwintl.dll_1048

wwintl.dll

16.0.4936.1000

896280

12-Aug-20

05:40

wwintl.dll_1049

wwintl.dll

16.0.4936.1000

809968

12-Aug-20

05:40

wwintl.dll_1051

wwintl.dll

16.0.4936.1000

891160

12-Aug-20

05:40

wwintl.dll_1060

wwintl.dll

16.0.4936.1000

821768

12-Aug-20

05:40

wwintl.dll_2074

wwintl.dll

16.0.4936.1000

817944

12-Aug-20

05:40

wwintl.dll_9242

wwintl.dll

16.0.4936.1000

817952

12-Aug-20

05:40

wwintl.dll_1053

wwintl.dll

16.0.4936.1000

803616

12-Aug-20

05:40

wwintl.dll_1054

wwintl.dll

16.0.4936.1000

825112

12-Aug-20

05:40

wwintl.dll_1055

wwintl.dll

16.0.4936.1000

881952

12-Aug-20

05:40

wwintl.dll_1058

wwintl.dll

16.0.4936.1000

820000

12-Aug-20

05:40

wwintl.dll_1066

wwintl.dll

16.0.4936.1000

912672

12-Aug-20

05:40

wwintl.dll_2052

wwintl.dll

16.0.4936.1000

697120

12-Aug-20

05:40

wwintl.dll_1028

wwintl.dll

16.0.4936.1000

706240

12-Aug-20

05:40

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

330960

11-Aug-20

04:25

pdfreflow.exe

pdfreflow.exe

16.0.5041.1000

10305848

11-Aug-20

04:23

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

701152

11-Aug-20

04:22

msword.olb

msword.olb

939304

11-Aug-20

04:23

winword.exe

winword.exe

16.0.5056.1000

1937712

12-Aug-20

05:33

wrd12cnv.dll

wordcnv.dll

16.0.5056.1000

9179440

12-Aug-20

05:33

wwlib.dll

wwlib.dll

16.0.5056.1000

29619496

12-Aug-20

05:33

File identifier

File name

File version

File size

Date

Time

calligra.dll

calligra.dll

16.0.4528.1000

338688

12-Aug-20

06:06

genko.dll

genko.dll

16.0.5032.1000

513368

11-Aug-20

04:35

wdsrv.conversion.word.wwintl.dll_1025

wwintl.dll

16.0.5056.1000

944416

12-Aug-20

05:34

wwintl.dll_1025

wwintl.dll

16.0.5056.1000

944416

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1026

wwintl.dll

16.0.5056.1000

899352

12-Aug-20

05:34

wwintl.dll_1026

wwintl.dll

16.0.5056.1000

899352

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1029

wwintl.dll

16.0.5056.1000

955680

12-Aug-20

05:34

wwintl.dll_1029

wwintl.dll

16.0.5056.1000

955680

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1030

wwintl.dll

16.0.5056.1000

886560

12-Aug-20

05:34

wwintl.dll_1030

wwintl.dll

16.0.5056.1000

886560

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1031

wwintl.dll

16.0.5056.1000

966936

12-Aug-20

05:34

wwintl.dll_1031

wwintl.dll

16.0.5056.1000

966936

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1032

wwintl.dll

16.0.5056.1000

956704

12-Aug-20

05:34

wwintl.dll_1032

wwintl.dll

16.0.5056.1000

956704

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_3082

wwintl.dll

16.0.5056.1000

926512

12-Aug-20

05:34

wwintl.dll_3082

wwintl.dll

16.0.5056.1000

926512

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1061

wwintl.dll

16.0.5056.1000

849712

12-Aug-20

05:34

wwintl.dll_1061

wwintl.dll

16.0.5056.1000

849712

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1035

wwintl.dll

16.0.5056.1000

897328

12-Aug-20

05:34

wwintl.dll_1035

wwintl.dll

16.0.5056.1000

897328

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1036

wwintl.dll

16.0.5056.1000

962864

12-Aug-20

05:34

wwintl.dll_1036

wwintl.dll

16.0.5056.1000

962864

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1037

wwintl.dll

16.0.5056.1000

882992

12-Aug-20

05:34

wwintl.dll_1037

wwintl.dll

16.0.5056.1000

882992

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1081

wwintl.dll

16.0.5056.1000

944432

12-Aug-20

05:34

wwintl.dll_1081

wwintl.dll

16.0.5056.1000

944432

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1050

wwintl.dll

16.0.5056.1000

909600

12-Aug-20

05:34

wwintl.dll_1050

wwintl.dll

16.0.5056.1000

909600

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1038

wwintl.dll

16.0.5056.1000

965424

12-Aug-20

05:34

wwintl.dll_1038

wwintl.dll

16.0.5056.1000

965424

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1057

wwintl.dll

16.0.5056.1000

857888

12-Aug-20

05:34

wwintl.dll_1057

wwintl.dll

16.0.5056.1000

857888

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1040

wwintl.dll

16.0.5056.1000

917280

12-Aug-20

05:34

wwintl.dll_1040

wwintl.dll

16.0.5056.1000

917280

12-Aug-20

05:34

wac.word.wwintl.dll_1041

wwintl.dll

16.0.5056.1000

869176

wdsrv.conversion.word.wwintl.dll_1041

wwintl.dll

16.0.5056.1000

869176

12-Aug-20

05:35

wwintl.dll_1041

wwintl.dll

16.0.5056.1000

869176

12-Aug-20

05:35

wdsrv.conversion.word.wwintl.dll_1087

wwintl.dll

16.0.5056.1000

959792

12-Aug-20

05:34

wwintl.dll_1087

wwintl.dll

16.0.5056.1000

959792

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1042

wwintl.dll

16.0.5056.1000

862512

12-Aug-20

05:35

wwintl.dll_1042

wwintl.dll

16.0.5056.1000

862512

12-Aug-20

05:35

wdsrv.conversion.word.wwintl.dll_1063

wwintl.dll

16.0.5056.1000

916272

12-Aug-20

05:34

wwintl.dll_1063

wwintl.dll

16.0.5056.1000

916272

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1062

wwintl.dll

16.0.5056.1000

903456

12-Aug-20

05:34

wwintl.dll_1062

wwintl.dll

16.0.5056.1000

903456

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1086

wwintl.dll

16.0.5056.1000

862000

12-Aug-20

05:34

wwintl.dll_1086

wwintl.dll

16.0.5056.1000

862000

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1044

wwintl.dll

16.0.5056.1000

875808

12-Aug-20

05:34

wwintl.dll_1044

wwintl.dll

16.0.5056.1000

875808

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1043

wwintl.dll

16.0.5056.1000

915232

12-Aug-20

05:34

wwintl.dll_1043

wwintl.dll

16.0.5056.1000

915232

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1045

wwintl.dll

16.0.5056.1000

931632

12-Aug-20

05:34

wwintl.dll_1045

wwintl.dll

16.0.5056.1000

931632

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1046

wwintl.dll

16.0.5056.1000

932656

12-Aug-20

05:34

wwintl.dll_1046

wwintl.dll

16.0.5056.1000

932656

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_2070

wwintl.dll

16.0.5056.1000

940312

12-Aug-20

05:34

wwintl.dll_2070

wwintl.dll

16.0.5056.1000

940312

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1048

wwintl.dll

16.0.5056.1000

975664

12-Aug-20

05:34

wwintl.dll_1048

wwintl.dll

16.0.5056.1000

975664

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1049

wwintl.dll

16.0.5056.1000

888608

12-Aug-20

05:34

wwintl.dll_1049

wwintl.dll

16.0.5056.1000

888608

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1051

wwintl.dll

16.0.5056.1000

970544

12-Aug-20

05:34

wwintl.dll_1051

wwintl.dll

16.0.5056.1000

970544

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1060

wwintl.dll

16.0.5056.1000

900376

12-Aug-20

05:34

wwintl.dll_1060

wwintl.dll

16.0.5056.1000

900376

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_2074

wwintl.dll

16.0.5056.1000

896800

12-Aug-20

05:34

wwintl.dll_2074

wwintl.dll

16.0.5056.1000

896800

12-Aug-20

05:34

wac.word.wwintl.dll_9242

wwintl.dll

16.0.5056.1000

896800

wdsrv.conversion.word.wwintl.dll_9242

wwintl.dll

16.0.5056.1000

896800

12-Aug-20

05:34

wwintl.dll_9242

wwintl.dll

16.0.5056.1000

896800

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1053

wwintl.dll

16.0.5056.1000

882480

12-Aug-20

05:34

wwintl.dll_1053

wwintl.dll

16.0.5056.1000

882480

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1054

wwintl.dll

16.0.5056.1000

903984

12-Aug-20

05:34

wwintl.dll_1054

wwintl.dll

16.0.5056.1000

903984

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1055

wwintl.dll

16.0.5056.1000

960816

12-Aug-20

05:34

wwintl.dll_1055

wwintl.dll

16.0.5056.1000

960816

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_1058

wwintl.dll

16.0.5056.1000

898864

12-Aug-20

05:35

wwintl.dll_1058

wwintl.dll

16.0.5056.1000

898864

12-Aug-20

05:35

wdsrv.conversion.word.wwintl.dll_1066

wwintl.dll

16.0.5056.1000

992032

12-Aug-20

05:34

wwintl.dll_1066

wwintl.dll

16.0.5056.1000

992032

12-Aug-20

05:34

wdsrv.conversion.word.wwintl.dll_2052

wwintl.dll

16.0.5056.1000

775968

12-Aug-20

05:35

wwintl.dll_2052

wwintl.dll

16.0.5056.1000

775968

12-Aug-20

05:35

wdsrv.conversion.word.wwintl.dll_1028

wwintl.dll

16.0.5056.1000

784688

12-Aug-20

05:35

wwintl.dll_1028

wwintl.dll

16.0.5056.1000

784688

12-Aug-20

05:35

jrpcard20.dll_1041

jrpcard20.dll

16.0.4834.1000

331168

11-Aug-20

04:35

pdfreflow.exe

pdfreflow.exe

16.0.5041.1000

15920456

11-Aug-20

04:33

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

11-Aug-20

04:28

wwintl.dll_1033

wwintl.dll

16.0.4936.1000

780488

11-Aug-20

04:28

msword.olb

msword.olb

939304

11-Aug-20

04:33

winword.exe

winword.exe

16.0.5056.1000

1940784

12-Aug-20

05:37

wrd12cnv.dll

wordcnv.dll

16.0.5056.1000

11884856

12-Aug-20

05:37

wwlib.dll

wwlib.dll

16.0.5056.1000

37241120

12-Aug-20

05:37

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