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

Summary

This security update resolves Microsoft Office graphics remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-31940 and Microsoft Common Vulnerabilities and Exposures CVE-2021-31941.

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 Security update deployment information: June 8, 2021.

Security update replacement information

This security update replaces previously released security update 5001920.

File hash information

File name

SHA256 hash

mso2016-kb5001950-fullfile-x86-glb.exe

16D029364C7F826AB6C94BC8BF774B38AFC4D1286274A3983ABFB71495D09713

mso2016-kb5001950-fullfile-x64-glb.exe

B3255C92682A4A683C022C0122FCC24655765363646397563A074EAB3BECFE1D

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

firstrun.exe

firstrun.exe

16.0.5149.1000

774440

12-May-21

04:35

msointl.dll.x86.1025

msointl.dll

16.0.4927.1000

3287904

12-May-21

04:53

msointl.dll.x86.1026

msointl.dll

16.0.4927.1000

1886048

12-May-21

04:27

msointl.dll.x86.1027

msointl.dll

16.0.4927.1000

1817952

12-May-21

04:46

msointl.dll.x86.1029

msointl.dll

16.0.4927.1000

1928032

12-May-21

04:53

msointl.dll.x86.1030

msointl.dll

16.0.4927.1000

1758040

12-May-21

04:29

msointl.dll.x86.1031

msointl.dll

16.0.4927.1000

1948216

12-May-21

04:29

msointl.dll.x86.1032

msointl.dll

16.0.4927.1000

2057048

12-May-21

04:29

msointl.dll.x86.3082

msointl.dll

16.0.4927.1000

1826360

12-May-21

04:29

msointl.dll.x86.1061

msointl.dll

16.0.4927.1000

1731664

12-May-21

04:27

msointl.dll.x86.1069

msointl.dll

16.0.4927.1000

1740640

12-May-21

04:46

msointl.dll.x86.1035

msointl.dll

16.0.4927.1000

1738504

12-May-21

04:53

msointl.dll.x86.1036

msointl.dll

16.0.4927.1000

1975360

12-May-21

04:29

msointl.dll.x86.1110

msointl.dll

16.0.4927.1000

1774648

12-May-21

04:46

msointl.dll.x86.1095

msointl.dll

16.0.4927.1000

1830688

12-May-21

04:46

msointl.dll.x86.1037

msointl.dll

16.0.4927.1000

2907936

12-May-21

04:29

msointl.dll.x86.1081

msointl.dll

16.0.4927.1000

1952312

12-May-21

04:53

msointl.dll.x86.1050

msointl.dll

16.0.4927.1000

1742088

12-May-21

04:29

msointl.dll.x86.1038

msointl.dll

16.0.4927.1000

1951584

12-May-21

04:27

msointl.dll.x86.1057

msointl.dll

16.0.4927.1000

1621848

12-May-21

04:29

msointl.dll.x86.1040

msointl.dll

16.0.4927.1000

1766240

12-May-21

04:29

msointl.dll.x86.1041

msointl.dll

16.0.4927.1000

2012512

12-May-21

04:52

msointl.dll.x86.1087

msointl.dll

16.0.4927.1000

2103648

12-May-21

04:29

msointl.dll.x86.1099

msointl.dll

16.0.4927.1000

1940320

12-May-21

04:47

msointl.dll.x86.1042

msointl.dll

16.0.4927.1000

2768736

12-May-21

04:29

msointl.dll.x86.1063

msointl.dll

16.0.4927.1000

1845808

12-May-21

04:53

msointl.dll.x86.1062

msointl.dll

16.0.4927.1000

1832016

12-May-21

04:29

msointl.dll.x86.1086

msointl.dll

16.0.4927.1000

1649232

12-May-21

04:28

msointl.dll.x86.1044

msointl.dll

16.0.4927.1000

1721624

12-May-21

04:53

msointl.dll.x86.1043

msointl.dll

16.0.4927.1000

1771264

12-May-21

04:29

msointl.dll.x86.1045

msointl.dll

16.0.4927.1000

1917280

12-May-21

04:29

msointl.dll.x86.1046

msointl.dll

16.0.4927.1000

1829656

12-May-21

04:53

msointl.dll.x86.2070

msointl.dll

16.0.4927.1000

1836312

12-May-21

04:53

msointl.dll.x86.1048

msointl.dll

16.0.4927.1000

1963064

12-May-21

04:29

msointl.dll.x86.1049

msointl.dll

16.0.4927.1000

1904384

12-May-21

04:53

msointl.dll.x86.1051

msointl.dll

16.0.4927.1000

1971552

12-May-21

04:28

msointl.dll.x86.1060

msointl.dll

16.0.4927.1000

1807712

12-May-21

04:30

msointl.dll.x86.2074

msointl.dll

16.0.4927.1000

1765936

12-May-21

04:53

msointl.dll.x86.9242

msointl.dll

16.0.4927.1000

1794912

12-May-21

04:30

msointl.dll.x86.1053

msointl.dll

16.0.4927.1000

1734912

12-May-21

04:53

msointl.dll.x86.1054

msointl.dll

16.0.4927.1000

1827376

12-May-21

04:30

msointl.dll.x86.1055

msointl.dll

16.0.4927.1000

1998680

12-May-21

04:53

msointl.dll.x86.1058

msointl.dll

16.0.4927.1000

1891896

12-May-21

04:30

msointl.dll.x86.1066

msointl.dll

16.0.4927.1000

2005552

12-May-21

04:28

msointl.dll.x86.2052

msointl.dll

16.0.4927.1000

2321704

12-May-21

04:30

msointl.dll.x86.1028

msointl.dll

16.0.4927.1000

2329384

12-May-21

04:30

msores.dll

msores.dll

16.0.4795.1000

81683304

12-May-21

04:35

msores.dll.x86

msores.dll

16.0.4795.1000

81683304

12-May-21

04:46

mso.dll.x86

mso.dll

16.0.5173.1000

14418840

13-May-21

08:27

msointl.dll.x86.1033

msointl.dll

16.0.4927.1000

1539640

12-May-21

04:34

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.5149.1000

816928

12-May-21

04:46

msointl.dll.x64.1025

msointl.dll

16.0.5173.1000

3324792

13-May-21

08:58

msointl.dll.x64.1026

msointl.dll

16.0.5173.1000

1910136

13-May-21

08:35

msointl.dll.x64.1027

msointl.dll

16.0.5173.1000

1842040

13-May-21

08:52

msointl.dll.x64.1029

msointl.dll

16.0.5173.1000

1952096

13-May-21

08:58

msointl.dll.x64.1030

msointl.dll

16.0.5173.1000

1782112

13-May-21

08:58

msointl.dll.x64.1031

msointl.dll

16.0.5173.1000

1972600

13-May-21

08:58

msointl.dll.x64.1032

msointl.dll

16.0.5173.1000

2081632

13-May-21

08:58

msointl.dll.x64.3082

msointl.dll

16.0.5173.1000

1850768

13-May-21

08:58

msointl.dll.x64.1061

msointl.dll

16.0.5173.1000

1755488

13-May-21

08:35

msointl.dll.x64.1069

msointl.dll

16.0.5173.1000

1764704

13-May-21

08:52

msointl.dll.x64.1035

msointl.dll

16.0.5173.1000

1762656

13-May-21

08:58

msointl.dll.x64.1036

msointl.dll

16.0.5173.1000

1999216

13-May-21

08:58

msointl.dll.x64.1110

msointl.dll

16.0.5173.1000

1799008

13-May-21

08:52

msointl.dll.x64.1095

msointl.dll

16.0.5173.1000

1854816

13-May-21

08:52

msointl.dll.x64.1037

msointl.dll

16.0.5173.1000

2944808

13-May-21

08:58

msointl.dll.x64.1081

msointl.dll

16.0.5173.1000

1976672

13-May-21

08:58

msointl.dll.x64.1050

msointl.dll

16.0.5173.1000

1766240

13-May-21

08:58

msointl.dll.x64.1038

msointl.dll

16.0.5173.1000

1975672

13-May-21

08:35

msointl.dll.x64.1057

msointl.dll

16.0.5173.1000

1645920

13-May-21

08:35

msointl.dll.x64.1040

msointl.dll

16.0.5173.1000

1790816

13-May-21

08:58

msointl.dll.x64.1041

msointl.dll

16.0.5173.1000

2036576

13-May-21

08:58

msointl.dll.x64.1087

msointl.dll

16.0.5173.1000

2128224

13-May-21

08:58

msointl.dll.x64.1099

msointl.dll

16.0.5173.1000

1964432

13-May-21

08:52

msointl.dll.x64.1042

msointl.dll

16.0.5173.1000

2793312

13-May-21

08:58

msointl.dll.x64.1063

msointl.dll

16.0.5173.1000

1869664

13-May-21

08:58

msointl.dll.x64.1062

msointl.dll

16.0.5173.1000

1855888

13-May-21

08:58

msointl.dll.x64.1086

msointl.dll

16.0.5173.1000

1673568

13-May-21

08:35

msointl.dll.x64.1044

msointl.dll

16.0.5173.1000

1745272

13-May-21

08:58

msointl.dll.x64.1043

msointl.dll

16.0.5173.1000

1795448

13-May-21

08:58

msointl.dll.x64.1045

msointl.dll

16.0.5173.1000

1941368

13-May-21

08:58

msointl.dll.x64.1046

msointl.dll

16.0.5173.1000

1853792

13-May-21

08:58

msointl.dll.x64.2070

msointl.dll

16.0.5173.1000

1860496

13-May-21

08:58

msointl.dll.x64.1048

msointl.dll

16.0.5173.1000

1986936

13-May-21

08:58

msointl.dll.x64.1049

msointl.dll

16.0.5173.1000

1928080

13-May-21

08:58

msointl.dll.x64.1051

msointl.dll

16.0.5173.1000

1996128

13-May-21

08:35

msointl.dll.x64.1060

msointl.dll

16.0.5173.1000

1832336

13-May-21

08:35

msointl.dll.x64.2074

msointl.dll

16.0.5173.1000

1790352

13-May-21

08:58

msointl.dll.x64.9242

msointl.dll

16.0.5173.1000

1819024

13-May-21

08:58

msointl.dll.x64.1053

msointl.dll

16.0.5173.1000

1759120

13-May-21

08:58

msointl.dll.x64.1054

msointl.dll

16.0.5173.1000

1851280

13-May-21

08:58

msointl.dll.x64.1055

msointl.dll

16.0.5173.1000

2023312

13-May-21

08:58

msointl.dll.x64.1058

msointl.dll

16.0.5173.1000

1915792

13-May-21

08:58

msointl.dll.x64.1066

msointl.dll

16.0.5173.1000

2029968

13-May-21

08:35

msointl.dll.x64.2052

msointl.dll

16.0.5173.1000

2346328

13-May-21

08:58

msointl.dll.x64.1028

msointl.dll

16.0.5173.1000

2354008

13-May-21

08:58

msointl.dll.x86.1025

msointl.dll

16.0.4927.1000

3287904

12-May-21

04:53

msointl.dll.x86.1026

msointl.dll

16.0.4927.1000

1886048

12-May-21

04:27

msointl.dll.x86.1029

msointl.dll

16.0.4927.1000

1928032

12-May-21

04:53

msointl.dll.x86.1030

msointl.dll

16.0.4927.1000

1758040

12-May-21

04:29

msointl.dll.x86.1031

msointl.dll

16.0.4927.1000

1948216

12-May-21

04:29

msointl.dll.x86.1032

msointl.dll

16.0.4927.1000

2057048

12-May-21

04:29

msointl.dll.x86.3082

msointl.dll

16.0.4927.1000

1826360

12-May-21

04:29

msointl.dll.x86.1061

msointl.dll

16.0.4927.1000

1731664

12-May-21

04:27

msointl.dll.x86.1035

msointl.dll

16.0.4927.1000

1738504

12-May-21

04:53

msointl.dll.x86.1036

msointl.dll

16.0.4927.1000

1975360

12-May-21

04:29

msointl.dll.x86.1037

msointl.dll

16.0.4927.1000

2907936

12-May-21

04:29

msointl.dll.x86.1081

msointl.dll

16.0.4927.1000

1952312

12-May-21

04:53

msointl.dll.x86.1050

msointl.dll

16.0.4927.1000

1742088

12-May-21

04:29

msointl.dll.x86.1038

msointl.dll

16.0.4927.1000

1951584

12-May-21

04:27

msointl.dll.x86.1057

msointl.dll

16.0.4927.1000

1621848

12-May-21

04:29

msointl.dll.x86.1040

msointl.dll

16.0.4927.1000

1766240

12-May-21

04:29

msointl.dll.x86.1041

msointl.dll

16.0.4927.1000

2012512

12-May-21

04:52

msointl.dll.x86.1087

msointl.dll

16.0.4927.1000

2103648

12-May-21

04:29

msointl.dll.x86.1042

msointl.dll

16.0.4927.1000

2768736

12-May-21

04:29

msointl.dll.x86.1063

msointl.dll

16.0.4927.1000

1845808

12-May-21

04:53

msointl.dll.x86.1062

msointl.dll

16.0.4927.1000

1832016

12-May-21

04:29

msointl.dll.x86.1086

msointl.dll

16.0.4927.1000

1649232

12-May-21

04:28

msointl.dll.x86.1044

msointl.dll

16.0.4927.1000

1721624

12-May-21

04:53

msointl.dll.x86.1043

msointl.dll

16.0.4927.1000

1771264

12-May-21

04:29

msointl.dll.x86.1045

msointl.dll

16.0.4927.1000

1917280

12-May-21

04:29

msointl.dll.x86.1046

msointl.dll

16.0.4927.1000

1829656

12-May-21

04:53

msointl.dll.x86.2070

msointl.dll

16.0.4927.1000

1836312

12-May-21

04:53

msointl.dll.x86.1048

msointl.dll

16.0.4927.1000

1963064

12-May-21

04:29

msointl.dll.x86.1049

msointl.dll

16.0.4927.1000

1904384

12-May-21

04:53

msointl.dll.x86.1051

msointl.dll

16.0.4927.1000

1971552

12-May-21

04:28

msointl.dll.x86.1060

msointl.dll

16.0.4927.1000

1807712

12-May-21

04:30

msointl.dll.x86.2074

msointl.dll

16.0.4927.1000

1765936

12-May-21

04:53

msointl.dll.x86.9242

msointl.dll

16.0.4927.1000

1794912

12-May-21

04:30

msointl.dll.x86.1053

msointl.dll

16.0.4927.1000

1734912

12-May-21

04:53

msointl.dll.x86.1054

msointl.dll

16.0.4927.1000

1827376

12-May-21

04:30

msointl.dll.x86.1055

msointl.dll

16.0.4927.1000

1998680

12-May-21

04:53

msointl.dll.x86.1058

msointl.dll

16.0.4927.1000

1891896

12-May-21

04:30

msointl.dll.x86.1066

msointl.dll

16.0.4927.1000

2005552

12-May-21

04:28

msointl.dll.x86.2052

msointl.dll

16.0.4927.1000

2321704

12-May-21

04:30

msointl.dll.x86.1028

msointl.dll

16.0.4927.1000

2329384

12-May-21

04:30

conversion.office.msores.dll

msores.dll

16.0.4795.1000

81683088

12-May-21

04:40

msores.dll

msores.dll

16.0.4795.1000

81683088

12-May-21

04:35

ppt.conversion.msores.dll

msores.dll

16.0.4795.1000

81683088

ppt.edit.msores.dll

msores.dll

16.0.4795.1000

81683088

wac.office.msores.dll

msores.dll

16.0.4795.1000

81683088

msores.dll

msores.dll

16.0.4795.1000

81683304

12-May-21

04:35

msores.dll.x86

msores.dll

16.0.4795.1000

81683304

12-May-21

04:46

mso.dll.x64

mso.dll

16.0.5173.1000

19875712

13-May-21

08:30

mso.dll.x86

mso.dll

16.0.5173.1000

14418840

13-May-21

08:35

msointl.dll.x64.1033

msointl.dll

16.0.4927.1000

1564424

12-May-21

04:41

msointl.dll.x86.1033

msointl.dll

16.0.4927.1000

1539640

12-May-21

04:34

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.