Applies ToOffice 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 security feature bypass vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-21346.

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. 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 5002661.

File hash information

File name

SHA256 hash

mso2016-kb5002675-fullfile-x86-glb.exe

3921902FD53E3E7DF2A50463A6D9D112A6BEF99676B4541F8F48577F1FAA20E3

mso2016-kb5002675-fullfile-x64-glb.exe

4FA6094F2C0E2671393AB6217FEE8EEF86984229E8E78578EF1F18CF3C1E3C42

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

774,144

21-Dec-2024

17:06

F_central_msvcp100_x86.afa96eb4_fa9f_335c_a7cb_36079407553d

10.0.40219.325

435,136

21-Dec-2024

17:06

F_central_msvcr100_x86.afa96eb4_fa9f_335c_a7cb_36079407553d

10.0.40219.325

787,856

21-Dec-2024

17:06

Mso.dll.x86

16.0.5483.1000

14,437,624

21-Dec-2024

17:06

Msointl.dll.x86.1025

16.0.5432.1000

3,290,056

22-Dec-2024

12:53

Msointl.dll.x86.1026

16.0.5430.1000

1,888,344

22-Dec-2024

12:41

Msointl.dll.x86.1027

16.0.5432.1000

1,820,104

22-Dec-2024

12:49

Msointl.dll.x86.1028

16.0.5432.1000

2,331,752

22-Dec-2024

12:52

Msointl.dll.x86.1029

16.0.5430.1000

1,930,184

22-Dec-2024

12:53

Msointl.dll.x86.1030

16.0.5430.1000

1,760,200

22-Dec-2024

12:53

Msointl.dll.x86.1031

16.0.5430.1000

1,950,400

22-Dec-2024

12:52

Msointl.dll.x86.1032

16.0.5430.1000

2,059,720

22-Dec-2024

12:53

Msointl.dll.x86.1033

16.0.5430.1000

1,541,688

21-Dec-2024

17:05

Msointl.dll.x86.1035

16.0.5430.1000

1,741,000

22-Dec-2024

12:53

Msointl.dll.x86.1036

16.0.5430.1000

1,977,304

22-Dec-2024

12:52

Msointl.dll.x86.1037

16.0.5432.1000

2,910,096

22-Dec-2024

12:53

Msointl.dll.x86.1038

16.0.5430.1000

1,953,880

22-Dec-2024

12:41

Msointl.dll.x86.1040

16.0.5430.1000

1,769,128

22-Dec-2024

12:52

Msointl.dll.x86.1041

16.0.5430.1000

2,014,664

22-Dec-2024

12:52

Msointl.dll.x86.1042

16.0.5432.1000

2,771,512

22-Dec-2024

12:52

Msointl.dll.x86.1043

16.0.5430.1000

1,773,512

22-Dec-2024

12:53

Msointl.dll.x86.1044

16.0.5430.1000

1,723,448

22-Dec-2024

12:53

Msointl.dll.x86.1045

16.0.5430.1000

1,919,432

22-Dec-2024

12:53

Msointl.dll.x86.1046

16.0.5430.1000

1,831,368

22-Dec-2024

12:53

Msointl.dll.x86.1048

16.0.5430.1000

1,965,248

22-Dec-2024

12:53

Msointl.dll.x86.1049

16.0.5432.1000

1,906,336

22-Dec-2024

12:53

Msointl.dll.x86.1050

16.0.5432.1000

1,743,928

22-Dec-2024

12:53

Msointl.dll.x86.1051

16.0.5430.1000

1,973,920

22-Dec-2024

12:41

Msointl.dll.x86.1053

16.0.5430.1000

1,736,896

22-Dec-2024

12:53

Msointl.dll.x86.1054

16.0.5432.1000

1,829,568

22-Dec-2024

12:53

Msointl.dll.x86.1055

16.0.5432.1000

2,001,056

22-Dec-2024

12:53

Msointl.dll.x86.1057

16.0.5430.1000

1,624,232

22-Dec-2024

12:41

Msointl.dll.x86.1058

16.0.5430.1000

1,894,056

22-Dec-2024

12:53

Msointl.dll.x86.1060

16.0.5432.1000

1,810,088

22-Dec-2024

12:41

Msointl.dll.x86.1061

16.0.5430.1000

1,733,688

22-Dec-2024

12:41

Msointl.dll.x86.1062

16.0.5432.1000

1,834,176

22-Dec-2024

12:53

Msointl.dll.x86.1063

16.0.5432.1000

1,847,752

22-Dec-2024

12:53

Msointl.dll.x86.1066

16.0.5430.1000

2,008,120

22-Dec-2024

12:41

Msointl.dll.x86.1069

16.0.5432.1000

1,742,792

22-Dec-2024

12:49

Msointl.dll.x86.1081

16.0.5432.1000

1,954,280

22-Dec-2024

12:53

Msointl.dll.x86.1086

16.0.5430.1000

1,651,800

22-Dec-2024

12:41

Msointl.dll.x86.1087

16.0.5430.1000

2,106,536

22-Dec-2024

12:53

Msointl.dll.x86.1095

16.0.5432.1000

1,832,608

22-Dec-2024

12:49

Msointl.dll.x86.1099

16.0.5432.1000

1,942,616

22-Dec-2024

12:49

Msointl.dll.x86.1110

16.0.5432.1000

1,777,208

22-Dec-2024

12:49

Msointl.dll.x86.2052

16.0.5432.1000

2,324,616

22-Dec-2024

12:52

Msointl.dll.x86.2070

16.0.5430.1000

1,838,536

22-Dec-2024

12:53

Msointl.dll.x86.2074

16.0.5430.1000

1,768,136

22-Dec-2024

12:53

Msointl.dll.x86.3082

16.0.5432.1000

1,828,440

22-Dec-2024

12:52

Msointl.dll.x86.9242

16.0.5432.1000

1,797,288

22-Dec-2024

12:53

Msores.dll

16.0.5420.1000

81,687,096

21-Dec-2024

17:06

File name

File version

File size

Date

Time

Firstrun.exe

16.0.5149.1000

816,928

21-Dec-2024

17:07

F_central_msvcp100_x64.bff61907_aa2d_3a26_8666_98d956a62abc

10.0.40219.325

621,928

21-Dec-2024

17:07

F_central_msvcr100_x64.bff61907_aa2d_3a26_8666_98d956a62abc

10.0.40219.325

843,120

21-Dec-2024

17:07

Mso.dll.x64

16.0.5483.1000

19,897,056

21-Dec-2024

17:04

Mso.dll.x86

16.0.5483.1000

14,437,624

21-Dec-2024

17:08

Msointl.dll.x64.1025

16.0.5483.1001

3,327,680

22-Dec-2024

20:48

Msointl.dll.x64.1026

16.0.5483.1001

1,912,480

22-Dec-2024

20:35

Msointl.dll.x64.1027

16.0.5483.1001

1,844,416

22-Dec-2024

20:43

Msointl.dll.x64.1028

16.0.5483.1001

2,356,384

22-Dec-2024

20:47

Msointl.dll.x64.1029

16.0.5483.1001

1,954,984

22-Dec-2024

20:48

Msointl.dll.x64.1030

16.0.5483.1001

1,784,488

22-Dec-2024

20:48

Msointl.dll.x64.1031

16.0.5483.1001

1,974,976

22-Dec-2024

20:47

Msointl.dll.x64.1032

16.0.5483.1001

2,084,056

22-Dec-2024

20:48

Msointl.dll.x64.1033

16.0.5430.1000

1,566,264

21-Dec-2024

17:04

Msointl.dll.x64.1035

16.0.5483.1001

1,765,056

22-Dec-2024

20:48

Msointl.dll.x64.1036

16.0.5483.1001

2,002,144

22-Dec-2024

20:47

Msointl.dll.x64.1037

16.0.5483.1001

2,947,744

22-Dec-2024

20:48

Msointl.dll.x64.1038

16.0.5483.1001

1,978,040

22-Dec-2024

20:35

Msointl.dll.x64.1040

16.0.5483.1001

1,793,184

22-Dec-2024

20:47

Msointl.dll.x64.1041

16.0.5483.1001

2,039,000

22-Dec-2024

20:47

Msointl.dll.x64.1042

16.0.5483.1001

2,795,736

22-Dec-2024

20:47

Msointl.dll.x64.1043

16.0.5483.1001

1,797,848

22-Dec-2024

20:48

Msointl.dll.x64.1044

16.0.5483.1001

1,747,672

22-Dec-2024

20:48

Msointl.dll.x64.1045

16.0.5483.1001

1,943,720

22-Dec-2024

20:48

Msointl.dll.x64.1046

16.0.5483.1001

1,856,216

22-Dec-2024

20:48

Msointl.dll.x64.1048

16.0.5483.1001

1,989,336

22-Dec-2024

20:48

Msointl.dll.x64.1049

16.0.5483.1001

1,930,440

22-Dec-2024

20:48

Msointl.dll.x64.1050

16.0.5483.1001

1,768,640

22-Dec-2024

20:48

Msointl.dll.x64.1051

16.0.5483.1001

1,998,552

22-Dec-2024

20:35

Msointl.dll.x64.1053

16.0.5483.1001

1,761,496

22-Dec-2024

20:48

Msointl.dll.x64.1054

16.0.5483.1001

1,853,656

22-Dec-2024

20:48

Msointl.dll.x64.1055

16.0.5483.1001

2,025,688

22-Dec-2024

20:48

Msointl.dll.x64.1057

16.0.5483.1001

1,648,336

22-Dec-2024

20:35

Msointl.dll.x64.1058

16.0.5483.1001

1,918,144

22-Dec-2024

20:48

Msointl.dll.x64.1060

16.0.5483.1001

1,834,696

22-Dec-2024

20:35

Msointl.dll.x64.1061

16.0.5483.1001

1,758,392

22-Dec-2024

20:35

Msointl.dll.x64.1062

16.0.5483.1001

1,858,776

22-Dec-2024

20:48

Msointl.dll.x64.1063

16.0.5483.1001

1,872,080

22-Dec-2024

20:48

Msointl.dll.x64.1066

16.0.5483.1001

2,032,336

22-Dec-2024

20:35

Msointl.dll.x64.1069

16.0.5483.1001

1,767,616

22-Dec-2024

20:43

Msointl.dll.x64.1081

16.0.5483.1001

1,979,096

22-Dec-2024

20:48

Msointl.dll.x64.1086

16.0.5483.1001

1,675,992

22-Dec-2024

20:35

Msointl.dll.x64.1087

16.0.5483.1001

2,130,648

22-Dec-2024

20:48

Msointl.dll.x64.1095

16.0.5483.1001

1,857,216

22-Dec-2024

20:43

Msointl.dll.x64.1099

16.0.5483.1001

1,967,320

22-Dec-2024

20:43

Msointl.dll.x64.1110

16.0.5483.1001

1,801,408

22-Dec-2024

20:43

Msointl.dll.x64.2052

16.0.5483.1001

2,348,704

22-Dec-2024

20:47

Msointl.dll.x64.2070

16.0.5483.1001

1,862,848

22-Dec-2024

20:48

Msointl.dll.x64.2074

16.0.5483.1001

1,792,728

22-Dec-2024

20:48

Msointl.dll.x64.3082

16.0.5483.1001

1,853,144

22-Dec-2024

20:47

Msointl.dll.x64.9242

16.0.5483.1001

1,821,912

22-Dec-2024

20:48

Msointl.dll.x86.1025

16.0.5432.1000

3,290,056

22-Dec-2024

12:41

Msointl.dll.x86.1026

16.0.5430.1000

1,888,344

22-Dec-2024

12:41

Msointl.dll.x86.1028

16.0.5432.1000

2,331,752

22-Dec-2024

12:41

Msointl.dll.x86.1029

16.0.5430.1000

1,930,184

22-Dec-2024

12:41

Msointl.dll.x86.1030

16.0.5430.1000

1,760,200

22-Dec-2024

12:41

Msointl.dll.x86.1031

16.0.5430.1000

1,950,400

22-Dec-2024

12:41

Msointl.dll.x86.1032

16.0.5430.1000

2,059,720

22-Dec-2024

12:41

Msointl.dll.x86.1033

16.0.5430.1000

1,541,688

21-Dec-2024

17:07

Msointl.dll.x86.1035

16.0.5430.1000

1,741,000

22-Dec-2024

12:41

Msointl.dll.x86.1036

16.0.5430.1000

1,977,304

22-Dec-2024

12:41

Msointl.dll.x86.1037

16.0.5432.1000

2,910,096

22-Dec-2024

12:41

Msointl.dll.x86.1038

16.0.5430.1000

1,953,880

22-Dec-2024

12:41

Msointl.dll.x86.1040

16.0.5430.1000

1,769,128

22-Dec-2024

12:41

Msointl.dll.x86.1041

16.0.5430.1000

2,014,664

22-Dec-2024

12:41

Msointl.dll.x86.1042

16.0.5432.1000

2,771,512

22-Dec-2024

12:41

Msointl.dll.x86.1043

16.0.5430.1000

1,773,512

22-Dec-2024

12:41

Msointl.dll.x86.1044

16.0.5430.1000

1,723,448

22-Dec-2024

12:41

Msointl.dll.x86.1045

16.0.5430.1000

1,919,432

22-Dec-2024

12:41

Msointl.dll.x86.1046

16.0.5430.1000

1,831,368

22-Dec-2024

12:41

Msointl.dll.x86.1048

16.0.5430.1000

1,965,248

22-Dec-2024

12:41

Msointl.dll.x86.1049

16.0.5432.1000

1,906,336

22-Dec-2024

12:41

Msointl.dll.x86.1050

16.0.5432.1000

1,743,928

22-Dec-2024

12:41

Msointl.dll.x86.1051

16.0.5430.1000

1,973,920

22-Dec-2024

12:41

Msointl.dll.x86.1053

16.0.5430.1000

1,736,896

22-Dec-2024

12:41

Msointl.dll.x86.1054

16.0.5432.1000

1,829,568

22-Dec-2024

12:41

Msointl.dll.x86.1055

16.0.5432.1000

2,001,056

22-Dec-2024

12:41

Msointl.dll.x86.1057

16.0.5430.1000

1,624,232

22-Dec-2024

12:41

Msointl.dll.x86.1058

16.0.5430.1000

1,894,056

22-Dec-2024

12:41

Msointl.dll.x86.1060

16.0.5432.1000

1,810,088

22-Dec-2024

12:41

Msointl.dll.x86.1061

16.0.5430.1000

1,733,688

22-Dec-2024

12:41

Msointl.dll.x86.1062

16.0.5432.1000

1,834,176

22-Dec-2024

12:41

Msointl.dll.x86.1063

16.0.5432.1000

1,847,752

22-Dec-2024

12:41

Msointl.dll.x86.1066

16.0.5430.1000

2,008,120

22-Dec-2024

12:41

Msointl.dll.x86.1081

16.0.5432.1000

1,954,280

22-Dec-2024

12:41

Msointl.dll.x86.1086

16.0.5430.1000

1,651,800

22-Dec-2024

12:41

Msointl.dll.x86.1087

16.0.5430.1000

2,106,536

22-Dec-2024

12:41

Msointl.dll.x86.2052

16.0.5432.1000

2,324,616

22-Dec-2024

12:41

Msointl.dll.x86.2070

16.0.5430.1000

1,838,536

22-Dec-2024

12:41

Msointl.dll.x86.2074

16.0.5430.1000

1,768,136

22-Dec-2024

12:41

Msointl.dll.x86.3082

16.0.5432.1000

1,828,440

22-Dec-2024

12:41

Msointl.dll.x86.9242

16.0.5432.1000

1,797,288

22-Dec-2024

12:41

Msores.dll

16.0.5419.1000

81,687,096

21-Dec-2024

17:04

Msores.dll.x86

16.0.5420.1000

81,687,096

21-Dec-2024

17:08

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