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 Security Bulletin MS16-099.

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

For a complete list of affected versions of Microsoft Office software, see Microsoft Knowledge Base article KB3177451.

Improvements and fixes

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

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 the "Turn on automatic updating in Control Panel" section of this Safety & Security Center article.

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 Microsoft Knowledge Base article KB3177451.

Security update replacement information

This security update replaces previously released security update KB3115144.

File hash information

Package Name

Package Hash SHA 1

Package Hash SHA 2

mso2016-kb3115415-fullfile-x86-glb.exe

976251134767BD419ECDB5256675AC139AB5A9CD

E3550EC9BAE2DD7D50E3AD61A4BAA5BD282C98AE56AC0EE8B7F77EFDB7252A56

mso2016-kb3115415-fullfile-x64-glb.exe

AD47D135946EF07F8E4953B2B81345D81BCDFBD8

ED908F23E52F10EF26BCCA033F852451E0D5DBC05B7414E8F1AAE1289D6CDDC1

The English version of this security update has the file attributes (or later file attributes) that are listed in the following table.

For all supported x86-based versions of Office 2016

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.4405.1000

770240

12-Jul-16

01:13

msointl.dll.x86.1025

msointl.dll

16.0.4417.1000

3285760

13-Jul-16

11:16

msointl.dll.x86.1026

msointl.dll

16.0.4417.1000

1883896

13-Jul-16

11:15

msointl.dll.x86.1027

msointl.dll

16.0.4417.1000

1815288

13-Jul-16

11:32

msointl.dll.x86.1029

msointl.dll

16.0.4417.1000

1925880

13-Jul-16

11:16

msointl.dll.x86.1030

msointl.dll

16.0.4417.1000

1755384

13-Jul-16

11:16

msointl.dll.x86.1031

msointl.dll

16.0.4417.1000

1946360

13-Jul-16

11:16

msointl.dll.x86.1032

msointl.dll

16.0.4417.1000

2054912

13-Jul-16

11:16

msointl.dll.x86.3082

msointl.dll

16.0.4417.1000

1823992

13-Jul-16

11:16

msointl.dll.x86.1061

msointl.dll

16.0.4417.1000

1729272

13-Jul-16

11:15

msointl.dll.x86.1069

msointl.dll

16.0.4417.1000

1738488

13-Jul-16

11:32

msointl.dll.x86.1035

msointl.dll

16.0.4417.1000

1735936

13-Jul-16

11:16

msointl.dll.x86.1036

msointl.dll

16.0.4417.1000

1973008

13-Jul-16

11:16

msointl.dll.x86.1110

msointl.dll

16.0.4417.1000

1772280

13-Jul-16

11:32

msointl.dll.x86.1095

msointl.dll

16.0.4417.1000

1828088

13-Jul-16

11:32

msointl.dll.x86.1037

msointl.dll

16.0.4417.1000

2905792

13-Jul-16

11:16

msointl.dll.x86.1081

msointl.dll

16.0.4417.1000

1949944

13-Jul-16

11:16

msointl.dll.x86.1050

msointl.dll

16.0.4417.1000

1739520

13-Jul-16

11:16

msointl.dll.x86.1038

msointl.dll

16.0.4417.1000

1948920

13-Jul-16

11:15

msointl.dll.x86.1057

msointl.dll

16.0.4417.1000

1619704

13-Jul-16

11:15

msointl.dll.x86.1040

msointl.dll

16.0.4417.1000

1764600

13-Jul-16

11:16

msointl.dll.x86.1041

msointl.dll

16.0.4417.1000

2009856

13-Jul-16

11:16

msointl.dll.x86.1087

msointl.dll

16.0.4417.1000

2101496

13-Jul-16

11:16

msointl.dll.x86.1099

msointl.dll

16.0.4417.1000

1938168

13-Jul-16

11:33

msointl.dll.x86.1042

msointl.dll

16.0.4417.1000

2766592

13-Jul-16

11:16

msointl.dll.x86.1063

msointl.dll

16.0.4417.1000

1843448

13-Jul-16

11:16

msointl.dll.x86.1062

msointl.dll

16.0.4417.1000

1829624

13-Jul-16

11:16

msointl.dll.x86.1086

msointl.dll

16.0.4417.1000

1647352

13-Jul-16

11:15

msointl.dll.x86.1044

msointl.dll

16.0.4417.1000

1719032

13-Jul-16

11:16

msointl.dll.x86.1043

msointl.dll

16.0.4417.1000

1768704

13-Jul-16

11:16

msointl.dll.x86.1045

msointl.dll

16.0.4417.1000

1915128

13-Jul-16

11:16

msointl.dll.x86.1046

msointl.dll

16.0.4417.1000

1827064

13-Jul-16

11:16

msointl.dll.x86.2070

msointl.dll

16.0.4417.1000

1833720

13-Jul-16

11:16

msointl.dll.x86.1048

msointl.dll

16.0.4417.1000

1960184

13-Jul-16

11:16

msointl.dll.x86.1049

msointl.dll

16.0.4417.1000

1901304

13-Jul-16

11:16

msointl.dll.x86.1051

msointl.dll

16.0.4417.1000

1969400

13-Jul-16

11:15

msointl.dll.x86.1060

msointl.dll

16.0.4417.1000

1805568

13-Jul-16

11:15

msointl.dll.x86.2074

msointl.dll

16.0.4405.1000

1763576

13-Jul-16

12:13

msointl.dll.x86.9242

msointl.dll

16.0.4417.1000

1792760

13-Jul-16

11:16

msointl.dll.x86.1053

msointl.dll

16.0.4417.1000

1732344

13-Jul-16

11:16

msointl.dll.x86.1054

msointl.dll

16.0.4417.1000

1825016

13-Jul-16

11:16

msointl.dll.x86.1055

msointl.dll

16.0.4417.1000

1996536

13-Jul-16

11:16

msointl.dll.x86.1058

msointl.dll

16.0.4417.1000

1889528

13-Jul-16

11:16

msointl.dll.x86.1066

msointl.dll

16.0.4417.1000

2003192

13-Jul-16

11:15

msointl.dll.x86.2052

msointl.dll

16.0.4417.1000

2320064

13-Jul-16

11:17

msointl.dll.x86.1028

msointl.dll

16.0.4417.1000

2327240

13-Jul-16

11:17

msores.dll

msores.dll

16.0.4297.1000

81573056

12-Jul-16

01:13

msores.dll.x86

msores.dll

16.0.4297.1000

81573056

12-Jul-16

01:22

mso.dll.x86

mso.dll

16.0.4417.1000

14357248

13-Jul-16

11:10

msointl.dll.x86.1033

msointl.dll

16.0.4405.1000

1537272

12-Jul-16

01:12

For all supported x64-based versions of Office 2016

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.4363.1000

815808

12-Jul-16

01:21

msointl.dll.x64.1025

msointl.dll

16.0.4417.1000

3323128

13-Jul-16

11:39

msointl.dll.x64.1026

msointl.dll

16.0.4417.1000

1907960

13-Jul-16

11:17

msointl.dll.x64.1027

msointl.dll

16.0.4417.1000

1839864

13-Jul-16

11:33

msointl.dll.x64.1029

msointl.dll

16.0.4417.1000

1949944

13-Jul-16

11:39

msointl.dll.x64.1030

msointl.dll

16.0.4417.1000

1779960

13-Jul-16

11:39

msointl.dll.x64.1031

msointl.dll

16.0.4417.1000

1970944

13-Jul-16

11:39

msointl.dll.x64.1032

msointl.dll

16.0.4417.1000

2079480

13-Jul-16

11:39

msointl.dll.x64.3082

msointl.dll

16.0.4417.1000

1848568

13-Jul-16

11:39

msointl.dll.x64.1061

msointl.dll

16.0.4417.1000

1753336

13-Jul-16

11:17

msointl.dll.x64.1069

msointl.dll

16.0.4417.1000

1762552

13-Jul-16

11:33

msointl.dll.x64.1035

msointl.dll

16.0.4417.1000

1760504

13-Jul-16

11:39

msointl.dll.x64.1036

msointl.dll

16.0.4417.1000

1997064

13-Jul-16

11:39

msointl.dll.x64.1110

msointl.dll

16.0.4417.1000

1796856

13-Jul-16

11:33

msointl.dll.x64.1095

msointl.dll

16.0.4417.1000

1852152

13-Jul-16

11:33

msointl.dll.x64.1037

msointl.dll

16.0.4417.1000

2942656

13-Jul-16

11:39

msointl.dll.x64.1081

msointl.dll

16.0.4417.1000

1974528

13-Jul-16

11:39

msointl.dll.x64.1050

msointl.dll

16.0.4417.1000

1764088

13-Jul-16

11:39

msointl.dll.x64.1038

msointl.dll

16.0.4417.1000

1973496

13-Jul-16

11:17

msointl.dll.x64.1057

msointl.dll

16.0.4417.1000

1643768

13-Jul-16

11:17

msointl.dll.x64.1040

msointl.dll

16.0.4417.1000

1788672

13-Jul-16

11:39

msointl.dll.x64.1041

msointl.dll

16.0.4417.1000

2034424

13-Jul-16

11:39

msointl.dll.x64.1087

msointl.dll

16.0.4417.1000

2126072

13-Jul-16

11:39

msointl.dll.x64.1099

msointl.dll

16.0.4417.1000

1962232

13-Jul-16

11:33

msointl.dll.x64.1042

msointl.dll

16.0.4417.1000

2791160

13-Jul-16

11:39

msointl.dll.x64.1063

msointl.dll

16.0.4417.1000

1867512

13-Jul-16

11:39

msointl.dll.x64.1062

msointl.dll

16.0.4417.1000

1853688

13-Jul-16

11:39

msointl.dll.x64.1086

msointl.dll

16.0.4417.1000

1671416

13-Jul-16

11:17

msointl.dll.x64.1044

msointl.dll

16.0.4417.1000

1743096

13-Jul-16

11:39

msointl.dll.x64.1043

msointl.dll

16.0.4417.1000

1793272

13-Jul-16

11:39

msointl.dll.x64.1045

msointl.dll

16.0.4417.1000

1939192

13-Jul-16

11:39

msointl.dll.x64.1046

msointl.dll

16.0.4417.1000

1851640

13-Jul-16

11:39

msointl.dll.x64.2070

msointl.dll

16.0.4417.1000

1858304

13-Jul-16

11:39

msointl.dll.x64.1048

msointl.dll

16.0.4417.1000

1984760

13-Jul-16

11:39

msointl.dll.x64.1049

msointl.dll

16.0.4417.1000

1925880

13-Jul-16

11:39

msointl.dll.x64.1051

msointl.dll

16.0.4417.1000

1993464

13-Jul-16

11:17

msointl.dll.x64.1060

msointl.dll

16.0.4417.1000

1830136

13-Jul-16

11:17

msointl.dll.x64.2074

msointl.dll

16.0.4417.1000

1788152

13-Jul-16

11:39

msointl.dll.x64.9242

msointl.dll

16.0.4417.1000

1816824

13-Jul-16

11:39

msointl.dll.x64.1053

msointl.dll

16.0.4417.1000

1756928

13-Jul-16

11:39

msointl.dll.x64.1054

msointl.dll

16.0.4417.1000

1849080

13-Jul-16

11:39

msointl.dll.x64.1055

msointl.dll

16.0.4417.1000

2020600

13-Jul-16

11:39

msointl.dll.x64.1058

msointl.dll

16.0.4417.1000

1913592

13-Jul-16

11:39

msointl.dll.x64.1066

msointl.dll

16.0.4417.1000

2027768

13-Jul-16

11:17

msointl.dll.x64.2052

msointl.dll

16.0.4417.1000

2344128

13-Jul-16

11:39

msointl.dll.x64.1028

msointl.dll

16.0.4417.1000

2351296

13-Jul-16

11:39

msointl.dll.x86.1025

msointl.dll

16.0.4417.1000

3285760

13-Jul-16

11:16

msointl.dll.x86.1026

msointl.dll

16.0.4417.1000

1883896

13-Jul-16

11:15

msointl.dll.x86.1029

msointl.dll

16.0.4417.1000

1925880

13-Jul-16

11:16

msointl.dll.x86.1030

msointl.dll

16.0.4417.1000

1755384

13-Jul-16

11:16

msointl.dll.x86.1031

msointl.dll

16.0.4417.1000

1946360

13-Jul-16

11:16

msointl.dll.x86.1032

msointl.dll

16.0.4417.1000

2054912

13-Jul-16

11:16

msointl.dll.x86.3082

msointl.dll

16.0.4417.1000

1823992

13-Jul-16

11:16

msointl.dll.x86.1061

msointl.dll

16.0.4417.1000

1729272

13-Jul-16

11:15

msointl.dll.x86.1035

msointl.dll

16.0.4417.1000

1735936

13-Jul-16

11:16

msointl.dll.x86.1036

msointl.dll

16.0.4417.1000

1973008

13-Jul-16

11:16

msointl.dll.x86.1037

msointl.dll

16.0.4417.1000

2905792

13-Jul-16

11:16

msointl.dll.x86.1081

msointl.dll

16.0.4417.1000

1949944

13-Jul-16

11:16

msointl.dll.x86.1050

msointl.dll

16.0.4417.1000

1739520

13-Jul-16

11:16

msointl.dll.x86.1038

msointl.dll

16.0.4417.1000

1948920

13-Jul-16

11:15

msointl.dll.x86.1057

msointl.dll

16.0.4417.1000

1619704

13-Jul-16

11:15

msointl.dll.x86.1040

msointl.dll

16.0.4417.1000

1764600

13-Jul-16

11:16

msointl.dll.x86.1041

msointl.dll

16.0.4417.1000

2009856

13-Jul-16

11:16

msointl.dll.x86.1087

msointl.dll

16.0.4417.1000

2101496

13-Jul-16

11:16

msointl.dll.x86.1042

msointl.dll

16.0.4417.1000

2766592

13-Jul-16

11:16

msointl.dll.x86.1063

msointl.dll

16.0.4417.1000

1843448

13-Jul-16

11:16

msointl.dll.x86.1062

msointl.dll

16.0.4417.1000

1829624

13-Jul-16

11:16

msointl.dll.x86.1086

msointl.dll

16.0.4417.1000

1647352

13-Jul-16

11:15

msointl.dll.x86.1044

msointl.dll

16.0.4417.1000

1719032

13-Jul-16

11:16

msointl.dll.x86.1043

msointl.dll

16.0.4417.1000

1768704

13-Jul-16

11:16

msointl.dll.x86.1045

msointl.dll

16.0.4417.1000

1915128

13-Jul-16

11:16

msointl.dll.x86.1046

msointl.dll

16.0.4417.1000

1827064

13-Jul-16

11:16

msointl.dll.x86.2070

msointl.dll

16.0.4417.1000

1833720

13-Jul-16

11:16

msointl.dll.x86.1048

msointl.dll

16.0.4417.1000

1960184

13-Jul-16

11:16

msointl.dll.x86.1049

msointl.dll

16.0.4417.1000

1901304

13-Jul-16

11:16

msointl.dll.x86.1051

msointl.dll

16.0.4417.1000

1969400

13-Jul-16

11:15

msointl.dll.x86.1060

msointl.dll

16.0.4417.1000

1805568

13-Jul-16

11:15

msointl.dll.x86.2074

msointl.dll

16.0.4405.1000

1763576

13-Jul-16

12:13

msointl.dll.x86.9242

msointl.dll

16.0.4417.1000

1792760

13-Jul-16

11:16

msointl.dll.x86.1053

msointl.dll

16.0.4417.1000

1732344

13-Jul-16

11:16

msointl.dll.x86.1054

msointl.dll

16.0.4417.1000

1825016

13-Jul-16

11:16

msointl.dll.x86.1055

msointl.dll

16.0.4417.1000

1996536

13-Jul-16

11:16

msointl.dll.x86.1058

msointl.dll

16.0.4417.1000

1889528

13-Jul-16

11:16

msointl.dll.x86.1066

msointl.dll

16.0.4417.1000

2003192

13-Jul-16

11:15

msointl.dll.x86.2052

msointl.dll

16.0.4417.1000

2320064

13-Jul-16

11:17

msointl.dll.x86.1028

msointl.dll

16.0.4417.1000

2327240

13-Jul-16

11:17

conversion.office.msores.dll

msores.dll

16.0.4297.1000

81573056

msores.dll

msores.dll

16.0.4297.1000

81573056

12-Jul-16

01:13

ppt.conversion.msores.dll

msores.dll

16.0.4297.1000

81573056

ppt.edit.msores.dll

msores.dll

16.0.4297.1000

81573056

wac.office.msores.dll

msores.dll

16.0.4297.1000

81573056

msores.dll

msores.dll

16.0.4297.1000

81573056

12-Jul-16

01:13

msores.dll.x86

msores.dll

16.0.4297.1000

81573056

12-Jul-16

01:22

mso.dll.x64

mso.dll

16.0.4417.1000

19787008

13-Jul-16

11:12

mso.dll.x86

mso.dll

16.0.4417.1000

14357248

13-Jul-16

11:10

msointl.dll.x64.1033

msointl.dll

16.0.4405.1000

1561856

12-Jul-16

01:17

msointl.dll.x86.1033

msointl.dll

16.0.4405.1000

1537272

12-Jul-16

01:12


Help for installing updates:
Support for Microsoft Update

Security solutions for IT professionals:
TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware:
Virus Solution and Security Center

Local support according to your country: International Support

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Any additional feedback? (Optional)

Thank you for your feedback!

×