Summary

This security update resolves vulnerabilities in Microsoft Office that could allow information disclosure if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2018-8378.

Note To apply this security update, you must have the release version of 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 Determining your Office version).

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 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 security update deployment information: August 14, 2018.

Security update replacement information

This security update replaces previously released security update KB 4018328.

File hash information

File name

SHA1 hash

SHA256 hash

mso2016-kb4032233-fullfile-x86-glb.exe

4B0B2175BB478617345371D16616C86886B6E0FA

D2767382F0D472A932FEA4C5AA6F7C237DD8B901970D39AAFFBF93F82E4F1D05

mso2016-kb4032233-fullfile-x64-glb.exe

2B60CCE24394E598679885316979B3590623B26D

88A1283632A8FAC82270044D4F0390BE506407C2713E14CD26827447649CEA93

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. 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

16.0.4702.1000

770224

21-Jul-18

12:53

msointl.dll.x86.1025

msointl.dll

16.0.4714.1000

3286256

22-Jul-18

05:25

msointl.dll.x86.1026

msointl.dll

16.0.4714.1000

1884424

22-Jul-18

05:23

msointl.dll.x86.1027

msointl.dll

16.0.4714.1000

1816304

22-Jul-18

05:41

msointl.dll.x86.1029

msointl.dll

16.0.4714.1000

1926384

22-Jul-18

05:26

msointl.dll.x86.1030

msointl.dll

16.0.4714.1000

1756400

22-Jul-18

05:26

msointl.dll.x86.1031

msointl.dll

16.0.4714.1000

1946864

22-Jul-18

05:26

msointl.dll.x86.1032

msointl.dll

16.0.4714.1000

2055408

22-Jul-18

05:26

msointl.dll.x86.3082

msointl.dll

16.0.4714.1000

1824496

22-Jul-18

05:26

msointl.dll.x86.1061

msointl.dll

16.0.4714.1000

1729776

22-Jul-18

05:23

msointl.dll.x86.1069

msointl.dll

16.0.4714.1000

1739016

22-Jul-18

05:41

msointl.dll.x86.1035

msointl.dll

16.0.4714.1000

1736432

22-Jul-18

05:26

msointl.dll.x86.1036

msointl.dll

16.0.4714.1000

1973528

22-Jul-18

05:26

msointl.dll.x86.1110

msointl.dll

16.0.4714.1000

1772784

22-Jul-18

05:41

msointl.dll.x86.1095

msointl.dll

16.0.4714.1000

1828592

22-Jul-18

05:41

msointl.dll.x86.1037

msointl.dll

16.0.4714.1000

2906296

22-Jul-18

05:26

msointl.dll.x86.1081

msointl.dll

16.0.4714.1000

1950448

22-Jul-18

05:26

msointl.dll.x86.1050

msointl.dll

16.0.4714.1000

1740016

22-Jul-18

05:26

msointl.dll.x86.1038

msointl.dll

16.0.4714.1000

1949936

22-Jul-18

05:23

msointl.dll.x86.1057

msointl.dll

16.0.4714.1000

1619696

22-Jul-18

05:23

msointl.dll.x86.1040

msointl.dll

16.0.4714.1000

1764592

22-Jul-18

05:26

msointl.dll.x86.1041

msointl.dll

16.0.4714.1000

2010864

22-Jul-18

05:25

msointl.dll.x86.1087

msointl.dll

16.0.4714.1000

2102000

22-Jul-18

05:26

msointl.dll.x86.1099

msointl.dll

16.0.4714.1000

1938672

22-Jul-18

05:42

msointl.dll.x86.1042

msointl.dll

16.0.4714.1000

2767088

22-Jul-18

05:26

msointl.dll.x86.1063

msointl.dll

16.0.4714.1000

1843952

22-Jul-18

05:26

msointl.dll.x86.1062

msointl.dll

16.0.4714.1000

1830128

22-Jul-18

05:26

msointl.dll.x86.1086

msointl.dll

16.0.4714.1000

1647344

22-Jul-18

05:23

msointl.dll.x86.1044

msointl.dll

16.0.4714.1000

1719536

22-Jul-18

05:26

msointl.dll.x86.1043

msointl.dll

16.0.4714.1000

1769200

22-Jul-18

05:26

msointl.dll.x86.1045

msointl.dll

16.0.4714.1000

1915632

22-Jul-18

05:26

msointl.dll.x86.1046

msointl.dll

16.0.4714.1000

1827568

22-Jul-18

05:26

msointl.dll.x86.2070

msointl.dll

16.0.4714.1000

1834224

22-Jul-18

05:26

msointl.dll.x86.1048

msointl.dll

16.0.4714.1000

1960712

22-Jul-18

05:26

msointl.dll.x86.1049

msointl.dll

16.0.4714.1000

1901808

22-Jul-18

05:26

msointl.dll.x86.1051

msointl.dll

16.0.4714.1000

1969904

22-Jul-18

05:23

msointl.dll.x86.1060

msointl.dll

16.0.4714.1000

1806064

22-Jul-18

05:23

msointl.dll.x86.2074

msointl.dll

16.0.4711.1000

1764072

22-Jul-18

05:26

msointl.dll.x86.9242

msointl.dll

16.0.4714.1000

1793264

22-Jul-18

05:26

msointl.dll.x86.1053

msointl.dll

16.0.4714.1000

1732848

22-Jul-18

05:26

msointl.dll.x86.1054

msointl.dll

16.0.4714.1000

1825520

22-Jul-18

05:26

msointl.dll.x86.1055

msointl.dll

16.0.4714.1000

1997032

22-Jul-18

05:26

msointl.dll.x86.1058

msointl.dll

16.0.4714.1000

1890056

22-Jul-18

05:26

msointl.dll.x86.1066

msointl.dll

16.0.4714.1000

2003696

22-Jul-18

05:23

msointl.dll.x86.2052

msointl.dll

16.0.4714.1000

2320056

22-Jul-18

05:26

msointl.dll.x86.1028

msointl.dll

16.0.4714.1000

2327736

22-Jul-18

05:26

msores.dll

msores.dll

16.0.4684.1000

81680624

21-Jul-18

12:53

msores.dll.x86

msores.dll

16.0.4684.1000

81680624

21-Jul-18

01:06

mso.dll.x86

mso.dll

16.0.4732.1000

14386416

22-Jul-18

08:47

msointl.dll.x86.1033

msointl.dll

16.0.4711.1000

1537768

21-Jul-18

01:03

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.4702.1000

815280

21-Jul-18

01:04

msointl.dll.x64.1025

msointl.dll

16.0.4732.1000

3324568

22-Jul-18

09:18

msointl.dll.x64.1026

msointl.dll

16.0.4732.1000

1911336

22-Jul-18

08:55

msointl.dll.x64.1027

msointl.dll

16.0.4732.1000

1843240

22-Jul-18

09:11

msointl.dll.x64.1029

msointl.dll

16.0.4732.1000

1951896

22-Jul-18

09:18

msointl.dll.x64.1030

msointl.dll

16.0.4732.1000

1781920

22-Jul-18

09:18

msointl.dll.x64.1031

msointl.dll

16.0.4732.1000

1972896

22-Jul-18

09:18

msointl.dll.x64.1032

msointl.dll

16.0.4732.1000

2081392

22-Jul-18

09:18

msointl.dll.x64.3082

msointl.dll

16.0.4732.1000

1850520

22-Jul-18

09:18

msointl.dll.x64.1061

msointl.dll

16.0.4732.1000

1756712

22-Jul-18

08:55

msointl.dll.x64.1069

msointl.dll

16.0.4732.1000

1765928

22-Jul-18

09:11

msointl.dll.x64.1035

msointl.dll

16.0.4732.1000

1763880

22-Jul-18

09:18

msointl.dll.x64.1036

msointl.dll

16.0.4732.1000

1998976

22-Jul-18

09:18

msointl.dll.x64.1110

msointl.dll

16.0.4732.1000

1798776

22-Jul-18

09:11

msointl.dll.x64.1095

msointl.dll

16.0.4732.1000

1854616

22-Jul-18

09:12

msointl.dll.x64.1037

msointl.dll

16.0.4732.1000

2946032

22-Jul-18

09:18

msointl.dll.x64.1081

msointl.dll

16.0.4732.1000

1976472

22-Jul-18

09:18

msointl.dll.x64.1050

msointl.dll

16.0.4732.1000

1767464

22-Jul-18

09:18

msointl.dll.x64.1038

msointl.dll

16.0.4732.1000

1975408

22-Jul-18

08:55

msointl.dll.x64.1057

msointl.dll

16.0.4732.1000

1647144

22-Jul-18

08:55

msointl.dll.x64.1040

msointl.dll

16.0.4732.1000

1790576

22-Jul-18

09:18

msointl.dll.x64.1041

msointl.dll

16.0.4732.1000

2037800

22-Jul-18

09:18

msointl.dll.x64.1087

msointl.dll

16.0.4732.1000

2127984

22-Jul-18

09:18

msointl.dll.x64.1099

msointl.dll

16.0.4732.1000

1964144

22-Jul-18

09:12

msointl.dll.x64.1042

msointl.dll

16.0.4732.1000

2793080

22-Jul-18

09:18

msointl.dll.x64.1063

msointl.dll

16.0.4732.1000

1868000

22-Jul-18

09:18

msointl.dll.x64.1062

msointl.dll

16.0.4732.1000

1855608

22-Jul-18

09:18

msointl.dll.x64.1086

msointl.dll

16.0.4732.1000

1674792

22-Jul-18

08:55

msointl.dll.x64.1044

msointl.dll

16.0.4732.1000

1745008

22-Jul-18

09:18

msointl.dll.x64.1043

msointl.dll

16.0.4732.1000

1795192

22-Jul-18

09:18

msointl.dll.x64.1045

msointl.dll

16.0.4732.1000

1941144

22-Jul-18

09:18

msointl.dll.x64.1046

msointl.dll

16.0.4732.1000

1855016

22-Jul-18

09:18

msointl.dll.x64.2070

msointl.dll

16.0.4732.1000

1860248

22-Jul-18

09:18

msointl.dll.x64.1048

msointl.dll

16.0.4732.1000

1988136

22-Jul-18

09:18

msointl.dll.x64.1049

msointl.dll

16.0.4732.1000

1929256

22-Jul-18

09:18

msointl.dll.x64.1051

msointl.dll

16.0.4732.1000

1996840

22-Jul-18

08:55

msointl.dll.x64.1060

msointl.dll

16.0.4732.1000

1833512

22-Jul-18

08:55

msointl.dll.x64.2074

msointl.dll

16.0.4732.1000

1791528

22-Jul-18

09:18

msointl.dll.x64.9242

msointl.dll

16.0.4732.1000

1820200

22-Jul-18

09:18

msointl.dll.x64.1053

msointl.dll

16.0.4732.1000

1759784

22-Jul-18

09:18

msointl.dll.x64.1054

msointl.dll

16.0.4732.1000

1852456

22-Jul-18

09:18

msointl.dll.x64.1055

msointl.dll

16.0.4732.1000

2023968

22-Jul-18

09:18

msointl.dll.x64.1058

msointl.dll

16.0.4732.1000

1916968

22-Jul-18

09:18

msointl.dll.x64.1066

msointl.dll

16.0.4732.1000

2031144

22-Jul-18

08:55

msointl.dll.x64.2052

msointl.dll

16.0.4732.1000

2347504

22-Jul-18

09:18

msointl.dll.x64.1028

msointl.dll

16.0.4732.1000

2353216

22-Jul-18

09:18

msointl.dll.x86.1025

msointl.dll

16.0.4714.1000

3286256

22-Jul-18

05:25

msointl.dll.x86.1026

msointl.dll

16.0.4714.1000

1884424

22-Jul-18

05:23

msointl.dll.x86.1029

msointl.dll

16.0.4714.1000

1926384

22-Jul-18

05:26

msointl.dll.x86.1030

msointl.dll

16.0.4714.1000

1756400

22-Jul-18

05:26

msointl.dll.x86.1031

msointl.dll

16.0.4714.1000

1946864

22-Jul-18

05:26

msointl.dll.x86.1032

msointl.dll

16.0.4714.1000

2055408

22-Jul-18

05:26

msointl.dll.x86.3082

msointl.dll

16.0.4714.1000

1824496

22-Jul-18

05:26

msointl.dll.x86.1061

msointl.dll

16.0.4714.1000

1729776

22-Jul-18

05:23

msointl.dll.x86.1035

msointl.dll

16.0.4714.1000

1736432

22-Jul-18

05:26

msointl.dll.x86.1036

msointl.dll

16.0.4714.1000

1973528

22-Jul-18

05:26

msointl.dll.x86.1037

msointl.dll

16.0.4714.1000

2906296

22-Jul-18

05:26

msointl.dll.x86.1081

msointl.dll

16.0.4714.1000

1950448

22-Jul-18

05:26

msointl.dll.x86.1050

msointl.dll

16.0.4714.1000

1740016

22-Jul-18

05:26

msointl.dll.x86.1038

msointl.dll

16.0.4714.1000

1949936

22-Jul-18

05:23

msointl.dll.x86.1057

msointl.dll

16.0.4714.1000

1619696

22-Jul-18

05:23

msointl.dll.x86.1040

msointl.dll

16.0.4714.1000

1764592

22-Jul-18

05:26

msointl.dll.x86.1041

msointl.dll

16.0.4714.1000

2010864

22-Jul-18

05:25

msointl.dll.x86.1087

msointl.dll

16.0.4714.1000

2102000

22-Jul-18

05:26

msointl.dll.x86.1042

msointl.dll

16.0.4714.1000

2767088

22-Jul-18

05:26

msointl.dll.x86.1063

msointl.dll

16.0.4714.1000

1843952

22-Jul-18

05:26

msointl.dll.x86.1062

msointl.dll

16.0.4714.1000

1830128

22-Jul-18

05:26

msointl.dll.x86.1086

msointl.dll

16.0.4714.1000

1647344

22-Jul-18

05:23

msointl.dll.x86.1044

msointl.dll

16.0.4714.1000

1719536

22-Jul-18

05:26

msointl.dll.x86.1043

msointl.dll

16.0.4714.1000

1769200

22-Jul-18

05:26

msointl.dll.x86.1045

msointl.dll

16.0.4714.1000

1915632

22-Jul-18

05:26

msointl.dll.x86.1046

msointl.dll

16.0.4714.1000

1827568

22-Jul-18

05:26

msointl.dll.x86.2070

msointl.dll

16.0.4714.1000

1834224

22-Jul-18

05:26

msointl.dll.x86.1048

msointl.dll

16.0.4714.1000

1960712

22-Jul-18

05:26

msointl.dll.x86.1049

msointl.dll

16.0.4714.1000

1901808

22-Jul-18

05:26

msointl.dll.x86.1051

msointl.dll

16.0.4714.1000

1969904

22-Jul-18

05:23

msointl.dll.x86.1060

msointl.dll

16.0.4714.1000

1806064

22-Jul-18

05:23

msointl.dll.x86.2074

msointl.dll

16.0.4711.1000

1764072

22-Jul-18

05:26

msointl.dll.x86.9242

msointl.dll

16.0.4714.1000

1793264

22-Jul-18

05:26

msointl.dll.x86.1053

msointl.dll

16.0.4714.1000

1732848

22-Jul-18

05:26

msointl.dll.x86.1054

msointl.dll

16.0.4714.1000

1825520

22-Jul-18

05:26

msointl.dll.x86.1055

msointl.dll

16.0.4714.1000

1997032

22-Jul-18

05:26

msointl.dll.x86.1058

msointl.dll

16.0.4714.1000

1890056

22-Jul-18

05:26

msointl.dll.x86.1066

msointl.dll

16.0.4714.1000

2003696

22-Jul-18

05:23

msointl.dll.x86.2052

msointl.dll

16.0.4714.1000

2320056

22-Jul-18

05:26

msointl.dll.x86.1028

msointl.dll

16.0.4714.1000

2327736

22-Jul-18

05:26

conversion.office.msores.dll

msores.dll

16.0.4666.1000

81680624

21-Jul-18

12:58

msores.dll

msores.dll

16.0.4666.1000

81680624

21-Jul-18

12:53

ppt.conversion.msores.dll

msores.dll

16.0.4666.1000

81680624

ppt.edit.msores.dll

msores.dll

16.0.4666.1000

81680624

wac.office.msores.dll

msores.dll

16.0.4666.1000

81680624

msores.dll

msores.dll

16.0.4684.1000

81680624

21-Jul-18

12:53

msores.dll.x86

msores.dll

16.0.4684.1000

81680624

21-Jul-18

01:06

mso.dll.x64

mso.dll

16.0.4732.1000

19834416

22-Jul-18

08:50

mso.dll.x86

mso.dll

16.0.4732.1000

14386416

22-Jul-18

08:47

msointl.dll.x64.1033

msointl.dll

16.0.4711.1000

1562344

21-Jul-18

12:59

msointl.dll.x86.1033

msointl.dll

16.0.4711.1000

1537768

21-Jul-18

01:03

How to get help and support for this security update

Help for installing updates: Windows Update: FAQ

Security solutions for IT professionals: TechNet Security Support and Troubleshooting

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

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!

×