Applies To
Office Professional Plus 2016 Office Professional 2016 Office Standard 2016 Office Home and Business 2016 Office Home and Student 2016

Summary

This security update resolves a Microsoft Office remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories:

Note: To apply this security update, you must have the release version of Microsoft Office 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?)

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. To install the update, follow the installation instructions on the download page.

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 5002756.

File hash information

File name

SHA256 hash

mso2016-kb5002781-fullfile-x86-glb.exe

A341834A400161E590C52A83285E192C8457891BF2386216B9027532E3062AF2

mso2016-kb5002781-fullfile-x64-glb.exe

11CD925F85438AEC383250C0D442AC544A2CEE225D87DFC6483E7564C68BE28A

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 name

File version

File size

Date

Time

Firstrun.exe

16.0.5413.1000

7,74,144

12-Aug-25

08:40

F_central_msvcp100_x86.afa96eb4_fa9f_335c_a7cb_36079407553d

10.0.40219.325

4,35,136

12-Aug-25

08:40

F_central_msvcr100_x86.afa96eb4_fa9f_335c_a7cb_36079407553d

10.0.40219.325

7,87,856

12-Aug-25

08:40

Mso.dll.x86

16.0.5517.1000

1,44,40,952

13-Aug-25

02:44

Msointl.dll.x86.1025

16.0.5507.1000

32,90,264

12-Aug-25

17:55

Msointl.dll.x86.1026

16.0.5507.1000

18,88,392

12-Aug-25

17:43

Msointl.dll.x86.1027

16.0.5507.1000

18,20,264

12-Aug-25

17:51

Msointl.dll.x86.1028

16.0.5507.1000

23,31,744

12-Aug-25

17:55

Msointl.dll.x86.1029

16.0.5507.1000

19,30,336

12-Aug-25

17:55

Msointl.dll.x86.1030

16.0.5507.1000

17,60,384

12-Aug-25

17:55

Msointl.dll.x86.1031

16.0.5507.1000

19,50,336

12-Aug-25

17:55

Msointl.dll.x86.1032

16.0.5507.1000

20,59,936

12-Aug-25

17:55

Msointl.dll.x86.1033

16.0.5430.1000

15,41,688

12-Aug-25

08:39

Msointl.dll.x86.1035

16.0.5507.1000

17,40,952

12-Aug-25

17:55

Msointl.dll.x86.1036

16.0.5507.1000

19,77,512

12-Aug-25

17:55

Msointl.dll.x86.1037

16.0.5507.1000

29,10,304

12-Aug-25

17:55

Msointl.dll.x86.1038

16.0.5507.1000

19,53,896

12-Aug-25

17:43

Msointl.dll.x86.1040

16.0.5507.1000

17,69,088

12-Aug-25

17:55

Msointl.dll.x86.1041

16.0.5507.1000

20,14,856

12-Aug-25

17:55

Msointl.dll.x86.1042

16.0.5507.1000

27,71,560

12-Aug-25

17:55

Msointl.dll.x86.1043

16.0.5507.1000

17,73,672

12-Aug-25

17:55

Msointl.dll.x86.1044

16.0.5507.1000

17,23,520

12-Aug-25

17:55

Msointl.dll.x86.1045

16.0.5507.1000

19,19,592

12-Aug-25

17:55

Msointl.dll.x86.1046

16.0.5507.1000

18,31,528

12-Aug-25

17:55

Msointl.dll.x86.1048

16.0.5507.1000

19,65,208

12-Aug-25

17:55

Msointl.dll.x86.1049

16.0.5507.1000

19,06,312

12-Aug-25

17:55

Msointl.dll.x86.1050

16.0.5507.1000

17,44,008

12-Aug-25

17:55

Msointl.dll.x86.1051

16.0.5507.1000

19,73,864

12-Aug-25

17:43

Msointl.dll.x86.1053

16.0.5507.1000

17,36,808

12-Aug-25

17:55

Msointl.dll.x86.1054

16.0.5507.1000

18,29,512

12-Aug-25

17:55

Msointl.dll.x86.1055

16.0.5507.1000

20,01,024

12-Aug-25

17:55

Msointl.dll.x86.1057

16.0.5507.1000

16,24,224

12-Aug-25

17:43

Msointl.dll.x86.1058

16.0.5507.1000

18,94,016

12-Aug-25

17:55

Msointl.dll.x86.1060

16.0.5507.1000

18,10,024

12-Aug-25

17:43

Msointl.dll.x86.1061

16.0.5507.1000

17,33,768

12-Aug-25

17:43

Msointl.dll.x86.1062

16.0.5507.1000

18,34,136

12-Aug-25

17:55

Msointl.dll.x86.1063

16.0.5507.1000

18,47,912

12-Aug-25

17:55

Msointl.dll.x86.1066

16.0.5507.1000

20,08,192

12-Aug-25

17:43

Msointl.dll.x86.1069

16.0.5507.1000

17,43,000

12-Aug-25

17:51

Msointl.dll.x86.1081

16.0.5507.1000

19,54,976

12-Aug-25

17:55

Msointl.dll.x86.1086

16.0.5507.1000

16,51,816

12-Aug-25

17:43

Msointl.dll.x86.1087

16.0.5507.1000

21,06,496

12-Aug-25

17:55

Msointl.dll.x86.1095

16.0.5507.1000

18,32,576

12-Aug-25

17:51

Msointl.dll.x86.1099

16.0.5507.1000

19,42,712

12-Aug-25

17:51

Msointl.dll.x86.1110

16.0.5507.1000

17,76,768

12-Aug-25

17:51

Msointl.dll.x86.2052

16.0.5507.1000

23,24,576

12-Aug-25

17:55

Msointl.dll.x86.2070

16.0.5507.1000

18,38,728

12-Aug-25

17:55

Msointl.dll.x86.2074

16.0.5430.1000

17,68,136

12-Aug-25

17:55

Msointl.dll.x86.3082

16.0.5507.1000

18,29,000

12-Aug-25

17:55

Msointl.dll.x86.9242

16.0.5507.1000

17,97,248

12-Aug-25

17:55

Msores.dll

16.0.5420.1000

8,16,87,096

12-Aug-25

08:40

​​​​​​​​​​​​​​​​​​​​​

File name

File version

File size

Date

Time

Firstrun.exe

16.0.5149.1000

8,16,928

12-Aug-25

08:42

F_central_msvcp100_x64.bff61907_aa2d_3a26_8666_98d956a62abc

10.0.40219.325

6,21,928

12-Aug-25

08:41

F_central_msvcr100_x64.bff61907_aa2d_3a26_8666_98d956a62abc

10.0.40219.325

8,43,120

12-Aug-25

08:41

Mso.dll.x64

16.0.5517.1000

1,99,03,000

13-Aug-25

02:45

Mso.dll.x86

16.0.5517.1000

1,44,40,952

13-Aug-25

02:48

Msointl.dll.x64.1025

16.0.5517.1000

33,28,496

13-Aug-25

03:02

Msointl.dll.x64.1026

16.0.5517.1000

19,13,360

13-Aug-25

02:48

Msointl.dll.x64.1027

16.0.5517.1000

18,45,232

13-Aug-25

02:57

Msointl.dll.x64.1028

16.0.5517.1000

23,57,200

13-Aug-25

03:01

Msointl.dll.x64.1029

16.0.5517.1000

19,55,848

13-Aug-25

03:02

Msointl.dll.x64.1030

16.0.5517.1000

17,85,384

13-Aug-25

03:02

Msointl.dll.x64.1031

16.0.5517.1000

19,75,824

13-Aug-25

03:01

Msointl.dll.x64.1032

16.0.5517.1000

20,84,824

13-Aug-25

03:02

Msointl.dll.x64.1033

16.0.5430.1000

15,66,264

12-Aug-25

08:38

Msointl.dll.x64.1035

16.0.5517.1000

17,65,840

13-Aug-25

03:02

Msointl.dll.x64.1036

16.0.5517.1000

20,02,944

13-Aug-25

03:01

Msointl.dll.x64.1037

16.0.5517.1000

29,48,568

13-Aug-25

03:02

Msointl.dll.x64.1038

16.0.5517.1000

19,78,840

13-Aug-25

02:48

Msointl.dll.x64.1040

16.0.5517.1000

17,94,008

13-Aug-25

03:01

Msointl.dll.x64.1041

16.0.5517.1000

20,40,352

13-Aug-25

03:01

Msointl.dll.x64.1042

16.0.5517.1000

27,96,528

13-Aug-25

03:01

Msointl.dll.x64.1043

16.0.5517.1000

17,98,632

13-Aug-25

03:02

Msointl.dll.x64.1044

16.0.5517.1000

17,48,552

13-Aug-25

03:02

Msointl.dll.x64.1045

16.0.5517.1000

19,44,560

13-Aug-25

03:02

Msointl.dll.x64.1046

16.0.5517.1000

18,56,984

13-Aug-25

03:02

Msointl.dll.x64.1048

16.0.5517.1000

19,90,104

13-Aug-25

03:02

Msointl.dll.x64.1049

16.0.5517.1000

19,31,312

13-Aug-25

03:02

Msointl.dll.x64.1050

16.0.5517.1000

17,69,456

13-Aug-25

03:02

Msointl.dll.x64.1051

16.0.5517.1000

19,99,368

13-Aug-25

02:48

Msointl.dll.x64.1053

16.0.5517.1000

17,62,320

13-Aug-25

03:02

Msointl.dll.x64.1054

16.0.5517.1000

18,54,416

13-Aug-25

03:02

Msointl.dll.x64.1055

16.0.5517.1000

20,26,472

13-Aug-25

03:02

Msointl.dll.x64.1057

16.0.5517.1000

16,49,136

13-Aug-25

02:48

Msointl.dll.x64.1058

16.0.5517.1000

19,19,496

13-Aug-25

03:02

Msointl.dll.x64.1060

16.0.5517.1000

18,35,584

13-Aug-25

02:48

Msointl.dll.x64.1061

16.0.5517.1000

17,59,184

13-Aug-25

02:48

Msointl.dll.x64.1062

16.0.5517.1000

18,59,600

13-Aug-25

03:02

Msointl.dll.x64.1063

16.0.5517.1000

18,72,960

13-Aug-25

03:02

Msointl.dll.x64.1066

16.0.5517.1000

20,33,704

13-Aug-25

02:48

Msointl.dll.x64.1069

16.0.5517.1000

17,68,432

13-Aug-25

02:57

Msointl.dll.x64.1081

16.0.5517.1000

19,79,888

13-Aug-25

03:02

Msointl.dll.x64.1086

16.0.5517.1000

16,76,784

13-Aug-25

02:48

Msointl.dll.x64.1087

16.0.5517.1000

21,31,440

13-Aug-25

03:02

Msointl.dll.x64.1095

16.0.5517.1000

18,58,088

13-Aug-25

02:57

Msointl.dll.x64.1099

16.0.5517.1000

19,68,168

13-Aug-25

02:57

Msointl.dll.x64.1110

16.0.5517.1000

18,02,232

13-Aug-25

02:57

Msointl.dll.x64.2052

16.0.5517.1000

23,49,496

13-Aug-25

03:01

Msointl.dll.x64.2070

16.0.5517.1000

18,63,688

13-Aug-25

03:02

Msointl.dll.x64.2074

16.0.5517.1000

17,93,544

13-Aug-25

03:02

Msointl.dll.x64.3082

16.0.5517.1000

18,53,936

13-Aug-25

03:01

Msointl.dll.x64.9242

16.0.5517.1000

18,22,704

13-Aug-25

03:02

Msointl.dll.x86.1025

16.0.5507.1000

32,90,264

12-Aug-25

17:44

Msointl.dll.x86.1026

16.0.5507.1000

18,88,392

12-Aug-25

17:44

Msointl.dll.x86.1028

16.0.5507.1000

23,31,744

12-Aug-25

17:45

Msointl.dll.x86.1029

16.0.5507.1000

19,30,336

12-Aug-25

17:44

Msointl.dll.x86.1030

16.0.5507.1000

17,60,384

12-Aug-25

17:44

Msointl.dll.x86.1031

16.0.5507.1000

19,50,336

12-Aug-25

17:44

Msointl.dll.x86.1032

16.0.5507.1000

20,59,936

12-Aug-25

17:44

Msointl.dll.x86.1033

16.0.5430.1000

15,41,688

12-Aug-25

08:41

Msointl.dll.x86.1035

16.0.5507.1000

17,40,952

12-Aug-25

17:44

Msointl.dll.x86.1036

16.0.5507.1000

19,77,512

12-Aug-25

17:44

Msointl.dll.x86.1037

16.0.5507.1000

29,10,304

12-Aug-25

17:44

Msointl.dll.x86.1038

16.0.5507.1000

19,53,896

12-Aug-25

17:44

Msointl.dll.x86.1040

16.0.5507.1000

17,69,088

12-Aug-25

17:44

Msointl.dll.x86.1041

16.0.5507.1000

20,14,856

12-Aug-25

17:44

Msointl.dll.x86.1042

16.0.5507.1000

27,71,560

12-Aug-25

17:44

Msointl.dll.x86.1043

16.0.5507.1000

17,73,672

12-Aug-25

17:45

Msointl.dll.x86.1044

16.0.5507.1000

17,23,520

12-Aug-25

17:45

Msointl.dll.x86.1045

16.0.5507.1000

19,19,592

12-Aug-25

17:45

Msointl.dll.x86.1046

16.0.5507.1000

18,31,528

12-Aug-25

17:45

Msointl.dll.x86.1048

16.0.5507.1000

19,65,208

12-Aug-25

17:45

Msointl.dll.x86.1049

16.0.5507.1000

19,06,312

12-Aug-25

17:45

Msointl.dll.x86.1050

16.0.5507.1000

17,44,008

12-Aug-25

17:44

Msointl.dll.x86.1051

16.0.5507.1000

19,73,864

12-Aug-25

17:45

Msointl.dll.x86.1053

16.0.5507.1000

17,36,808

12-Aug-25

17:45

Msointl.dll.x86.1054

16.0.5507.1000

18,29,512

12-Aug-25

17:45

Msointl.dll.x86.1055

16.0.5507.1000

20,01,024

12-Aug-25

17:45

Msointl.dll.x86.1057

16.0.5507.1000

16,24,224

12-Aug-25

17:44

Msointl.dll.x86.1058

16.0.5507.1000

18,94,016

12-Aug-25

17:45

Msointl.dll.x86.1060

16.0.5507.1000

18,10,024

12-Aug-25

17:45

Msointl.dll.x86.1061

16.0.5507.1000

17,33,768

12-Aug-25

17:44

Msointl.dll.x86.1062

16.0.5507.1000

18,34,136

12-Aug-25

17:44

Msointl.dll.x86.1063

16.0.5507.1000

18,47,912

12-Aug-25

17:44

Msointl.dll.x86.1066

16.0.5507.1000

20,08,192

12-Aug-25

17:45

Msointl.dll.x86.1081

16.0.5507.1000

19,54,976

12-Aug-25

17:44

Msointl.dll.x86.1086

16.0.5507.1000

16,51,816

12-Aug-25

17:44

Msointl.dll.x86.1087

16.0.5507.1000

21,06,496

12-Aug-25

17:44

Msointl.dll.x86.2052

16.0.5507.1000

23,24,576

12-Aug-25

17:45

Msointl.dll.x86.2070

16.0.5507.1000

18,38,728

12-Aug-25

17:45

Msointl.dll.x86.2074

16.0.5430.1000

17,68,136

12-Aug-25

17:45

Msointl.dll.x86.3082

16.0.5507.1000

18,29,000

12-Aug-25

17:44

Msointl.dll.x86.9242

16.0.5507.1000

17,97,248

12-Aug-25

17:45

Msores.dll

16.0.5419.1000

8,16,87,096

12-Aug-25

08:38

Msores.dll.x86

16.0.5420.1000

8,16,87,096

12-Aug-25

08:43

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