Description of the security update for Office 2016: April 10, 2018

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 Common Vulnerabilities and Exposures CVE-2018-1028

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).

Improvements and fixes

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

  • When you try to save a file to a symbolic link that’s linked to a Universal Naming Convention (UNC) path, if you have connection issues, you may not be able to save the file. In addition, you may experience data loss and receive an unexpected error message that resembles the following:

    We’re sorry, something went wrong that might make PowerPoint unstable. Please save your presentations and restart PowerPoint. 

  • Microsoft Word crashes when you edit multi-selected choices in documents in the backstage of Word.

  • This update adds support for Microsoft Office add-ins that are signed by using catalog signatures in Office 2016.

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: April 10, 2018.

Security update replacement information

This security update replaces previously released security update KB 4011686.

File hash information

Package name

Package hash SHA 1

Package hash SHA 2

mso2016-kb4018328-fullfile-x86-glb.exe

38046F280BC3044D28FA79FDB27D2E4D691AC7FF

11B00C3E1391913E093CB5FA4B0186CE332B455B87419907521B99850DB81218

mso2016-kb4018328-fullfile-x64-glb.exe

EFB49F35C4FDB820BAB443F88C2703FFFED2BFFE

56D82A18EEC6A89D4F4FAF7E99A0974BE4D05652114E0E54D548BE4DD5461377


File information

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

16.0.4660.1000

770224

13-Mar-18

02:08

msointl.dll.x86.1025

msointl.dll

16.0.4666.1000

3285728

14-Mar-18

03:29

msointl.dll.x86.1026

msointl.dll

16.0.4666.1000

1883880

14-Mar-18

03:29

msointl.dll.x86.1027

msointl.dll

16.0.4666.1000

1815776

14-Mar-18

03:46

msointl.dll.x86.1029

msointl.dll

16.0.4666.1000

1925864

14-Mar-18

03:29

msointl.dll.x86.1030

msointl.dll

16.0.4666.1000

1755880

14-Mar-18

03:29

msointl.dll.x86.1031

msointl.dll

16.0.4666.1000

1946344

14-Mar-18

03:29

msointl.dll.x86.1032

msointl.dll

16.0.4666.1000

2054888

14-Mar-18

03:29

msointl.dll.x86.3082

msointl.dll

16.0.4666.1000

1823968

14-Mar-18

03:29

msointl.dll.x86.1061

msointl.dll

16.0.4666.1000

1729256

14-Mar-18

03:29

msointl.dll.x86.1069

msointl.dll

16.0.4666.1000

1738464

14-Mar-18

03:46

msointl.dll.x86.1035

msointl.dll

16.0.4666.1000

1736424

14-Mar-18

03:29

msointl.dll.x86.1036

msointl.dll

16.0.4666.1000

1972984

14-Mar-18

03:29

msointl.dll.x86.1110

msointl.dll

16.0.4666.1000

1772264

14-Mar-18

03:46

msointl.dll.x86.1095

msointl.dll

16.0.4666.1000

1828072

14-Mar-18

03:46

msointl.dll.x86.1037

msointl.dll

16.0.4666.1000

2905776

14-Mar-18

03:29

msointl.dll.x86.1081

msointl.dll

16.0.4666.1000

1949920

14-Mar-18

03:29

msointl.dll.x86.1050

msointl.dll

16.0.4666.1000

1739496

14-Mar-18

03:29

msointl.dll.x86.1038

msointl.dll

16.0.4666.1000

1949416

14-Mar-18

03:29

msointl.dll.x86.1057

msointl.dll

16.0.4666.1000

1619688

14-Mar-18

03:29

msointl.dll.x86.1040

msointl.dll

16.0.4666.1000

1764584

14-Mar-18

03:29

msointl.dll.x86.1041

msointl.dll

16.0.4666.1000

2010344

14-Mar-18

03:29

msointl.dll.x86.1087

msointl.dll

16.0.4666.1000

2101480

14-Mar-18

03:29

msointl.dll.x86.1099

msointl.dll

16.0.4666.1000

1938152

14-Mar-18

03:47

msointl.dll.x86.1042

msointl.dll

16.0.4666.1000

2766568

14-Mar-18

03:29

msointl.dll.x86.1063

msointl.dll

16.0.4666.1000

1843432

14-Mar-18

03:29

msointl.dll.x86.1062

msointl.dll

16.0.4666.1000

1829608

14-Mar-18

03:29

msointl.dll.x86.1086

msointl.dll

16.0.4666.1000

1647336

14-Mar-18

03:29

msointl.dll.x86.1044

msointl.dll

16.0.4666.1000

1719008

14-Mar-18

03:29

msointl.dll.x86.1043

msointl.dll

16.0.4666.1000

1769184

14-Mar-18

03:29

msointl.dll.x86.1045

msointl.dll

16.0.4666.1000

1915112

14-Mar-18

03:29

msointl.dll.x86.1046

msointl.dll

16.0.4666.1000

1827048

14-Mar-18

03:29

msointl.dll.x86.2070

msointl.dll

16.0.4666.1000

1834208

14-Mar-18

03:29

msointl.dll.x86.1048

msointl.dll

16.0.4666.1000

1960672

14-Mar-18

03:29

msointl.dll.x86.1049

msointl.dll

16.0.4666.1000

1901800

14-Mar-18

03:29

msointl.dll.x86.1051

msointl.dll

16.0.4666.1000

1969384

14-Mar-18

03:29

msointl.dll.x86.1060

msointl.dll

16.0.4666.1000

1805544

14-Mar-18

03:29

msointl.dll.x86.2074

msointl.dll

16.0.4660.1000

1763560

14-Mar-18

03:29

msointl.dll.x86.9242

msointl.dll

16.0.4666.1000

1792744

14-Mar-18

03:29

msointl.dll.x86.1053

msointl.dll

16.0.4666.1000

1732328

14-Mar-18

03:29

msointl.dll.x86.1054

msointl.dll

16.0.4666.1000

1825000

14-Mar-18

03:29

msointl.dll.x86.1055

msointl.dll

16.0.4666.1000

1996512

14-Mar-18

03:29

msointl.dll.x86.1058

msointl.dll

16.0.4666.1000

1889512

14-Mar-18

03:29

msointl.dll.x86.1066

msointl.dll

16.0.4666.1000

2003176

14-Mar-18

03:29

msointl.dll.x86.2052

msointl.dll

16.0.4666.1000

2320048

14-Mar-18

03:29

msointl.dll.x86.1028

msointl.dll

16.0.4666.1000

2327216

14-Mar-18

03:29

msores.dll

msores.dll

16.0.4666.1000

81680616

13-Mar-18

02:07

msores.dll.x86

msores.dll

16.0.4666.1000

81680616

13-Mar-18

02:12

mso.dll.x86

mso.dll

16.0.4678.1000

14382832

14-Mar-18

10:12

msointl.dll.x86.1033

msointl.dll

16.0.4660.1000

1537256

13-Mar-18

02:06

For all supported x64-based versions of Office 2016

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.4660.1000

815280

13-Mar-18

02:11

msointl.dll.x64.1025

msointl.dll

16.0.4678.1000

3323112

14-Mar-18

10:44

msointl.dll.x64.1026

msointl.dll

16.0.4678.1000

1907944

14-Mar-18

10:20

msointl.dll.x64.1027

msointl.dll

16.0.4678.1000

1839848

14-Mar-18

10:37

msointl.dll.x64.1029

msointl.dll

16.0.4678.1000

1949928

14-Mar-18

10:44

msointl.dll.x64.1030

msointl.dll

16.0.4678.1000

1779944

14-Mar-18

10:44

msointl.dll.x64.1031

msointl.dll

16.0.4678.1000

1970920

14-Mar-18

10:43

msointl.dll.x64.1032

msointl.dll

16.0.4678.1000

2079464

14-Mar-18

10:44

msointl.dll.x64.3082

msointl.dll

16.0.4678.1000

1848552

14-Mar-18

10:43

msointl.dll.x64.1061

msointl.dll

16.0.4678.1000

1753320

14-Mar-18

10:20

msointl.dll.x64.1069

msointl.dll

16.0.4678.1000

1762536

14-Mar-18

10:37

msointl.dll.x64.1035

msointl.dll

16.0.4678.1000

1760488

14-Mar-18

10:44

msointl.dll.x64.1036

msointl.dll

16.0.4678.1000

1997048

14-Mar-18

10:43

msointl.dll.x64.1110

msointl.dll

16.0.4678.1000

1796840

14-Mar-18

10:37

msointl.dll.x64.1095

msointl.dll

16.0.4678.1000

1852648

14-Mar-18

10:37

msointl.dll.x64.1037

msointl.dll

16.0.4678.1000

2943152

14-Mar-18

10:44

msointl.dll.x64.1081

msointl.dll

16.0.4678.1000

1974504

14-Mar-18

10:44

msointl.dll.x64.1050

msointl.dll

16.0.4678.1000

1764072

14-Mar-18

10:44

msointl.dll.x64.1038

msointl.dll

16.0.4678.1000

1973480

14-Mar-18

10:20

msointl.dll.x64.1057

msointl.dll

16.0.4678.1000

1643752

14-Mar-18

10:20

msointl.dll.x64.1040

msointl.dll

16.0.4678.1000

1788648

14-Mar-18

10:43

msointl.dll.x64.1041

msointl.dll

16.0.4678.1000

2034408

14-Mar-18

10:43

msointl.dll.x64.1087

msointl.dll

16.0.4678.1000

2126048

14-Mar-18

10:44

msointl.dll.x64.1099

msointl.dll

16.0.4678.1000

1962208

14-Mar-18

10:38

msointl.dll.x64.1042

msointl.dll

16.0.4678.1000

2791144

14-Mar-18

10:43

msointl.dll.x64.1063

msointl.dll

16.0.4678.1000

1867496

14-Mar-18

10:44

msointl.dll.x64.1062

msointl.dll

16.0.4678.1000

1853664

14-Mar-18

10:44

msointl.dll.x64.1086

msointl.dll

16.0.4678.1000

1671400

14-Mar-18

10:20

msointl.dll.x64.1044

msointl.dll

16.0.4678.1000

1743080

14-Mar-18

10:44

msointl.dll.x64.1043

msointl.dll

16.0.4678.1000

1793256

14-Mar-18

10:44

msointl.dll.x64.1045

msointl.dll

16.0.4678.1000

1939176

14-Mar-18

10:44

msointl.dll.x64.1046

msointl.dll

16.0.4678.1000

1851624

14-Mar-18

10:44

msointl.dll.x64.2070

msointl.dll

16.0.4678.1000

1858280

14-Mar-18

10:44

msointl.dll.x64.1048

msointl.dll

16.0.4678.1000

1984744

14-Mar-18

10:44

msointl.dll.x64.1049

msointl.dll

16.0.4678.1000

1925864

14-Mar-18

10:44

msointl.dll.x64.1051

msointl.dll

16.0.4678.1000

1993960

14-Mar-18

10:20

msointl.dll.x64.1060

msointl.dll

16.0.4678.1000

1830120

14-Mar-18

10:20

msointl.dll.x64.2074

msointl.dll

16.0.4678.1000

1788136

14-Mar-18

10:44

msointl.dll.x64.9242

msointl.dll

16.0.4678.1000

1817320

14-Mar-18

10:44

msointl.dll.x64.1053

msointl.dll

16.0.4678.1000

1756904

14-Mar-18

10:44

msointl.dll.x64.1054

msointl.dll

16.0.4678.1000

1849064

14-Mar-18

10:44

msointl.dll.x64.1055

msointl.dll

16.0.4678.1000

2021096

14-Mar-18

10:44

msointl.dll.x64.1058

msointl.dll

16.0.4678.1000

1913576

14-Mar-18

10:44

msointl.dll.x64.1066

msointl.dll

16.0.4678.1000

2027752

14-Mar-18

10:20

msointl.dll.x64.2052

msointl.dll

16.0.4678.1000

2344112

14-Mar-18

10:43

msointl.dll.x64.1028

msointl.dll

16.0.4678.1000

2351792

14-Mar-18

10:43

msointl.dll.x86.1025

msointl.dll

16.0.4666.1000

3285728

14-Mar-18

03:29

msointl.dll.x86.1026

msointl.dll

16.0.4666.1000

1883880

14-Mar-18

03:29

msointl.dll.x86.1029

msointl.dll

16.0.4666.1000

1925864

14-Mar-18

03:29

msointl.dll.x86.1030

msointl.dll

16.0.4666.1000

1755880

14-Mar-18

03:29

msointl.dll.x86.1031

msointl.dll

16.0.4666.1000

1946344

14-Mar-18

03:29

msointl.dll.x86.1032

msointl.dll

16.0.4666.1000

2054888

14-Mar-18

03:29

msointl.dll.x86.3082

msointl.dll

16.0.4666.1000

1823968

14-Mar-18

03:29

msointl.dll.x86.1061

msointl.dll

16.0.4666.1000

1729256

14-Mar-18

03:29

msointl.dll.x86.1035

msointl.dll

16.0.4666.1000

1736424

14-Mar-18

03:29

msointl.dll.x86.1036

msointl.dll

16.0.4666.1000

1972984

14-Mar-18

03:29

msointl.dll.x86.1037

msointl.dll

16.0.4666.1000

2905776

14-Mar-18

03:29

msointl.dll.x86.1081

msointl.dll

16.0.4666.1000

1949920

14-Mar-18

03:29

msointl.dll.x86.1050

msointl.dll

16.0.4666.1000

1739496

14-Mar-18

03:29

msointl.dll.x86.1038

msointl.dll

16.0.4666.1000

1949416

14-Mar-18

03:29

msointl.dll.x86.1057

msointl.dll

16.0.4666.1000

1619688

14-Mar-18

03:29

msointl.dll.x86.1040

msointl.dll

16.0.4666.1000

1764584

14-Mar-18

03:29

msointl.dll.x86.1041

msointl.dll

16.0.4666.1000

2010344

14-Mar-18

03:29

msointl.dll.x86.1087

msointl.dll

16.0.4666.1000

2101480

14-Mar-18

03:29

msointl.dll.x86.1042

msointl.dll

16.0.4666.1000

2766568

14-Mar-18

03:29

msointl.dll.x86.1063

msointl.dll

16.0.4666.1000

1843432

14-Mar-18

03:29

msointl.dll.x86.1062

msointl.dll

16.0.4666.1000

1829608

14-Mar-18

03:29

msointl.dll.x86.1086

msointl.dll

16.0.4666.1000

1647336

14-Mar-18

03:29

msointl.dll.x86.1044

msointl.dll

16.0.4666.1000

1719008

14-Mar-18

03:29

msointl.dll.x86.1043

msointl.dll

16.0.4666.1000

1769184

14-Mar-18

03:29

msointl.dll.x86.1045

msointl.dll

16.0.4666.1000

1915112

14-Mar-18

03:29

msointl.dll.x86.1046

msointl.dll

16.0.4666.1000

1827048

14-Mar-18

03:29

msointl.dll.x86.2070

msointl.dll

16.0.4666.1000

1834208

14-Mar-18

03:29

msointl.dll.x86.1048

msointl.dll

16.0.4666.1000

1960672

14-Mar-18

03:29

msointl.dll.x86.1049

msointl.dll

16.0.4666.1000

1901800

14-Mar-18

03:29

msointl.dll.x86.1051

msointl.dll

16.0.4666.1000

1969384

14-Mar-18

03:29

msointl.dll.x86.1060

msointl.dll

16.0.4666.1000

1805544

14-Mar-18

03:29

msointl.dll.x86.2074

msointl.dll

16.0.4660.1000

1763560

14-Mar-18

03:29

msointl.dll.x86.9242

msointl.dll

16.0.4666.1000

1792744

14-Mar-18

03:29

msointl.dll.x86.1053

msointl.dll

16.0.4666.1000

1732328

14-Mar-18

03:29

msointl.dll.x86.1054

msointl.dll

16.0.4666.1000

1825000

14-Mar-18

03:29

msointl.dll.x86.1055

msointl.dll

16.0.4666.1000

1996512

14-Mar-18

03:29

msointl.dll.x86.1058

msointl.dll

16.0.4666.1000

1889512

14-Mar-18

03:29

msointl.dll.x86.1066

msointl.dll

16.0.4666.1000

2003176

14-Mar-18

03:29

msointl.dll.x86.2052

msointl.dll

16.0.4666.1000

2320048

14-Mar-18

03:29

msointl.dll.x86.1028

msointl.dll

16.0.4666.1000

2327216

14-Mar-18

03:29

conversion.office.msores.dll

msores.dll

16.0.4666.1000

81680624

13-Mar-18

02:06

msores.dll

msores.dll

16.0.4666.1000

81680624

13-Mar-18

02:06

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

16.0.4666.1000

81680616

13-Mar-18

02:06

msores.dll.x86

msores.dll

16.0.4666.1000

81680616

13-Mar-18

02:12

mso.dll.x64

mso.dll

16.0.4678.1000

19826928

14-Mar-18

10:14

mso.dll.x86

mso.dll

16.0.4678.1000

14382832

14-Mar-18

10:12

msointl.dll.x64.1033

msointl.dll

16.0.4660.1000

1561832

13-Mar-18

02:06

msointl.dll.x86.1033

msointl.dll

16.0.4660.1000

1537256

13-Mar-18

02:06

How to get help and support for this security update

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

Propose a feature or provide feedback on Office Core: Office User Voice portal

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