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-2018-0851.

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:

  • This update corrects the following terms for different versions of PowerPoint 2016 to make sure the meanings are accurate:

    • Estonian version: Master Layout

    • Danish version: Tabs

    • Korean version:

      • PowerPoint 2016 > Animations > Float In > Effect Options > Float Up

      • PowerPoint 2016 > Animations > Float In > Effect Options > Float Down

  • On Windows 7, no documents are populated on the recent documents list if the regional setting is changed to one of the following Spanish variants in regional settings:

    • Colombia

    • Dominican Republic

    • Guatemala

    • Mexico

    • Panama

    • Uruguay

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: February 13, 2018.

Security update replacement information

This security update replaces previously released security update KB 4011632.

File hash information

Package name

Package hash SHA 1

Package hash SHA 2

mso2016-kb4011686-fullfile-x64-glb.exe

9EFE26197E442B9BBF87EDFE1EC51B65E03BEA57

4826B7A9A1F521E8397159936324C2F7D5AC91F0FF164F32FDA4BA471FF7AB33

mso2016-kb4011686-fullfile-x86-glb.exe

1AEDBA726B1C74A4B35B8962800779D84671A1C9

4C54D419A3F1858928A60E085E48FBB58A72911A4DE38A087AEDE22E8F392166

File information

The English version of this security update has the file attributes (or later file 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 the times may change when you perform certain operations on the files.

For all supported x86-based versions of Office 2016

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.4630.1000

770216

17-Jan-18

10:03

msointl.dll.x86.1025

msointl.dll

16.0.4534.1000

3285752

18-Jan-18

01:49

msointl.dll.x86.1026

msointl.dll

16.0.4534.1000

1883896

18-Jan-18

01:45

msointl.dll.x86.1027

msointl.dll

16.0.4534.1000

1815800

18-Jan-18

02:03

msointl.dll.x86.1029

msointl.dll

16.0.4534.1000

1925880

18-Jan-18

01:49

msointl.dll.x86.1030

msointl.dll

16.0.4654.1000

1755880

18-Jan-18

05:16

msointl.dll.x86.1031

msointl.dll

16.0.4627.1000

1946344

18-Jan-18

01:49

msointl.dll.x86.1032

msointl.dll

16.0.4534.1000

2054904

18-Jan-18

01:49

msointl.dll.x86.3082

msointl.dll

16.0.4534.1000

1823992

18-Jan-18

01:49

msointl.dll.x86.1061

msointl.dll

16.0.4654.1000

1729256

18-Jan-18

05:12

msointl.dll.x86.1069

msointl.dll

16.0.4534.1000

1738496

18-Jan-18

02:03

msointl.dll.x86.1035

msointl.dll

16.0.4561.1000

1735936

18-Jan-18

01:49

msointl.dll.x86.1036

msointl.dll

16.0.4534.1000

1973000

18-Jan-18

01:49

msointl.dll.x86.1110

msointl.dll

16.0.4534.1000

1772280

18-Jan-18

02:03

msointl.dll.x86.1095

msointl.dll

16.0.4534.1000

1828088

18-Jan-18

02:03

msointl.dll.x86.1037

msointl.dll

16.0.4534.1000

2905792

18-Jan-18

01:50

msointl.dll.x86.1081

msointl.dll

16.0.4534.1000

1949944

18-Jan-18

01:50

msointl.dll.x86.1050

msointl.dll

16.0.4534.1000

1739512

18-Jan-18

01:50

msointl.dll.x86.1038

msointl.dll

16.0.4534.1000

1949432

18-Jan-18

01:45

msointl.dll.x86.1057

msointl.dll

16.0.4534.1000

1619704

18-Jan-18

01:45

msointl.dll.x86.1040

msointl.dll

16.0.4534.1000

1764608

18-Jan-18

01:50

msointl.dll.x86.1041

msointl.dll

16.0.4534.1000

2010360

18-Jan-18

01:49

msointl.dll.x86.1087

msointl.dll

16.0.4534.1000

2101496

18-Jan-18

01:50

msointl.dll.x86.1099

msointl.dll

16.0.4534.1000

1938168

18-Jan-18

02:03

msointl.dll.x86.1042

msointl.dll

16.0.4654.1000

2766568

18-Jan-18

05:16

msointl.dll.x86.1063

msointl.dll

16.0.4534.1000

1843448

18-Jan-18

01:50

msointl.dll.x86.1062

msointl.dll

16.0.4534.1000

1829624

18-Jan-18

01:50

msointl.dll.x86.1086

msointl.dll

16.0.4534.1000

1647352

18-Jan-18

01:45

msointl.dll.x86.1044

msointl.dll

16.0.4534.1000

1719032

18-Jan-18

01:50

msointl.dll.x86.1043

msointl.dll

16.0.4627.1000

1768672

18-Jan-18

01:50

msointl.dll.x86.1045

msointl.dll

16.0.4534.1000

1915128

18-Jan-18

01:50

msointl.dll.x86.1046

msointl.dll

16.0.4534.1000

1827064

18-Jan-18

01:50

msointl.dll.x86.2070

msointl.dll

16.0.4534.1000

1833720

18-Jan-18

01:50

msointl.dll.x86.1048

msointl.dll

16.0.4534.1000

1960184

18-Jan-18

01:50

msointl.dll.x86.1049

msointl.dll

16.0.4534.1000

1901304

18-Jan-18

01:50

msointl.dll.x86.1051

msointl.dll

16.0.4534.1000

1969400

18-Jan-18

01:45

msointl.dll.x86.1060

msointl.dll

16.0.4534.1000

1805560

18-Jan-18

01:45

msointl.dll.x86.2074

msointl.dll

16.0.4528.1000

1763584

18-Jan-18

01:50

msointl.dll.x86.9242

msointl.dll

16.0.4549.1000

1792768

18-Jan-18

01:50

msointl.dll.x86.1053

msointl.dll

16.0.4627.1000

1732328

18-Jan-18

01:50

msointl.dll.x86.1054

msointl.dll

16.0.4534.1000

1825016

18-Jan-18

01:50

msointl.dll.x86.1055

msointl.dll

16.0.4534.1000

1996536

18-Jan-18

01:50

msointl.dll.x86.1058

msointl.dll

16.0.4534.1000

1889528

18-Jan-18

01:50

msointl.dll.x86.1066

msointl.dll

16.0.4534.1000

2003200

18-Jan-18

01:45

msointl.dll.x86.2052

msointl.dll

16.0.4651.1000

2320048

18-Jan-18

01:50

msointl.dll.x86.1028

msointl.dll

16.0.4651.1000

2327216

18-Jan-18

01:50

msores.dll

msores.dll

16.0.4435.1000

81666816

17-Jan-18

10:03

msores.dll.x86

msores.dll

16.0.4435.1000

81666816

17-Jan-18

10:13

mso.dll.x86

mso.dll

16.0.4654.1000

14375664

18-Jan-18

05:06

msointl.dll.x86.1033

msointl.dll

16.0.4528.1000

1537280

17-Jan-18

10:02

For all supported x64-based versions of Office 2016

File identifier

File name

File version

File size

Date

Time

firstrun.exe

firstrun.exe

16.0.4630.1000

815280

17-Jan-18

10:11

msointl.dll.x64.1025

msointl.dll

16.0.4654.1000

3323112

18-Jan-18

05:41

msointl.dll.x64.1026

msointl.dll

16.0.4654.1000

1907944

18-Jan-18

05:17

msointl.dll.x64.1027

msointl.dll

16.0.4654.1000

1839848

18-Jan-18

05:34

msointl.dll.x64.1029

msointl.dll

16.0.4654.1000

1949928

18-Jan-18

05:41

msointl.dll.x64.1030

msointl.dll

16.0.4654.1000

1779944

18-Jan-18

05:41

msointl.dll.x64.1031

msointl.dll

16.0.4654.1000

1970920

18-Jan-18

05:41

msointl.dll.x64.1032

msointl.dll

16.0.4654.1000

2079464

18-Jan-18

05:41

msointl.dll.x64.3082

msointl.dll

16.0.4654.1000

1848552

18-Jan-18

05:41

msointl.dll.x64.1061

msointl.dll

16.0.4654.1000

1753320

18-Jan-18

05:17

msointl.dll.x64.1069

msointl.dll

16.0.4654.1000

1762536

18-Jan-18

05:34

msointl.dll.x64.1035

msointl.dll

16.0.4654.1000

1760488

18-Jan-18

05:41

msointl.dll.x64.1036

msointl.dll

16.0.4654.1000

1997048

18-Jan-18

05:41

msointl.dll.x64.1110

msointl.dll

16.0.4654.1000

1796840

18-Jan-18

05:35

msointl.dll.x64.1095

msointl.dll

16.0.4654.1000

1852648

18-Jan-18

05:35

msointl.dll.x64.1037

msointl.dll

16.0.4654.1000

2942640

18-Jan-18

05:41

msointl.dll.x64.1081

msointl.dll

16.0.4654.1000

1974504

18-Jan-18

05:41

msointl.dll.x64.1050

msointl.dll

16.0.4654.1000

1764072

18-Jan-18

05:41

msointl.dll.x64.1038

msointl.dll

16.0.4654.1000

1973480

18-Jan-18

05:17

msointl.dll.x64.1057

msointl.dll

16.0.4654.1000

1643752

18-Jan-18

05:17

msointl.dll.x64.1040

msointl.dll

16.0.4654.1000

1788648

18-Jan-18

05:41

msointl.dll.x64.1041

msointl.dll

16.0.4654.1000

2034408

18-Jan-18

05:41

msointl.dll.x64.1087

msointl.dll

16.0.4654.1000

2126056

18-Jan-18

05:41

msointl.dll.x64.1099

msointl.dll

16.0.4654.1000

1962216

18-Jan-18

05:35

msointl.dll.x64.1042

msointl.dll

16.0.4654.1000

2791144

18-Jan-18

05:41

msointl.dll.x64.1063

msointl.dll

16.0.4654.1000

1867496

18-Jan-18

05:41

msointl.dll.x64.1062

msointl.dll

16.0.4654.1000

1853672

18-Jan-18

05:41

msointl.dll.x64.1086

msointl.dll

16.0.4654.1000

1671400

18-Jan-18

05:17

msointl.dll.x64.1044

msointl.dll

16.0.4654.1000

1743080

18-Jan-18

05:41

msointl.dll.x64.1043

msointl.dll

16.0.4654.1000

1793256

18-Jan-18

05:41

msointl.dll.x64.1045

msointl.dll

16.0.4654.1000

1939176

18-Jan-18

05:41

msointl.dll.x64.1046

msointl.dll

16.0.4654.1000

1851624

18-Jan-18

05:41

msointl.dll.x64.2070

msointl.dll

16.0.4654.1000

1858280

18-Jan-18

05:41

msointl.dll.x64.1048

msointl.dll

16.0.4654.1000

1984744

18-Jan-18

05:41

msointl.dll.x64.1049

msointl.dll

16.0.4654.1000

1925864

18-Jan-18

05:41

msointl.dll.x64.1051

msointl.dll

16.0.4654.1000

1993448

18-Jan-18

05:17

msointl.dll.x64.1060

msointl.dll

16.0.4654.1000

1830120

18-Jan-18

05:17

msointl.dll.x64.2074

msointl.dll

16.0.4654.1000

1788136

18-Jan-18

05:41

msointl.dll.x64.9242

msointl.dll

16.0.4654.1000

1816808

18-Jan-18

05:41

msointl.dll.x64.1053

msointl.dll

16.0.4654.1000

1756904

18-Jan-18

05:41

msointl.dll.x64.1054

msointl.dll

16.0.4654.1000

1849064

18-Jan-18

05:41

msointl.dll.x64.1055

msointl.dll

16.0.4654.1000

2021096

18-Jan-18

05:41

msointl.dll.x64.1058

msointl.dll

16.0.4654.1000

1913576

18-Jan-18

05:41

msointl.dll.x64.1066

msointl.dll

16.0.4654.1000

2027752

18-Jan-18

05:17

msointl.dll.x64.2052

msointl.dll

16.0.4654.1000

2344112

18-Jan-18

05:41

msointl.dll.x64.1028

msointl.dll

16.0.4654.1000

2351280

18-Jan-18

05:41

msointl.dll.x86.1025

msointl.dll

16.0.4534.1000

3285752

18-Jan-18

01:49

msointl.dll.x86.1026

msointl.dll

16.0.4534.1000

1883896

18-Jan-18

01:45

msointl.dll.x86.1029

msointl.dll

16.0.4534.1000

1925880

18-Jan-18

01:49

msointl.dll.x86.1030

msointl.dll

16.0.4654.1000

1755880

18-Jan-18

05:16

msointl.dll.x86.1031

msointl.dll

16.0.4627.1000

1946344

18-Jan-18

01:49

msointl.dll.x86.1032

msointl.dll

16.0.4534.1000

2054904

18-Jan-18

01:49

msointl.dll.x86.3082

msointl.dll

16.0.4534.1000

1823992

18-Jan-18

01:49

msointl.dll.x86.1061

msointl.dll

16.0.4654.1000

1729256

18-Jan-18

05:12

msointl.dll.x86.1035

msointl.dll

16.0.4561.1000

1735936

18-Jan-18

01:49

msointl.dll.x86.1036

msointl.dll

16.0.4534.1000

1973000

18-Jan-18

01:49

msointl.dll.x86.1037

msointl.dll

16.0.4534.1000

2905792

18-Jan-18

01:50

msointl.dll.x86.1081

msointl.dll

16.0.4534.1000

1949944

18-Jan-18

01:50

msointl.dll.x86.1050

msointl.dll

16.0.4534.1000

1739512

18-Jan-18

01:50

msointl.dll.x86.1038

msointl.dll

16.0.4534.1000

1949432

18-Jan-18

01:45

msointl.dll.x86.1057

msointl.dll

16.0.4534.1000

1619704

18-Jan-18

01:45

msointl.dll.x86.1040

msointl.dll

16.0.4534.1000

1764608

18-Jan-18

01:50

msointl.dll.x86.1041

msointl.dll

16.0.4534.1000

2010360

18-Jan-18

01:49

msointl.dll.x86.1087

msointl.dll

16.0.4534.1000

2101496

18-Jan-18

01:50

msointl.dll.x86.1042

msointl.dll

16.0.4654.1000

2766568

18-Jan-18

05:16

msointl.dll.x86.1063

msointl.dll

16.0.4534.1000

1843448

18-Jan-18

01:50

msointl.dll.x86.1062

msointl.dll

16.0.4534.1000

1829624

18-Jan-18

01:50

msointl.dll.x86.1086

msointl.dll

16.0.4534.1000

1647352

18-Jan-18

01:45

msointl.dll.x86.1044

msointl.dll

16.0.4534.1000

1719032

18-Jan-18

01:50

msointl.dll.x86.1043

msointl.dll

16.0.4627.1000

1768672

18-Jan-18

01:50

msointl.dll.x86.1045

msointl.dll

16.0.4534.1000

1915128

18-Jan-18

01:50

msointl.dll.x86.1046

msointl.dll

16.0.4534.1000

1827064

18-Jan-18

01:50

msointl.dll.x86.2070

msointl.dll

16.0.4534.1000

1833720

18-Jan-18

01:50

msointl.dll.x86.1048

msointl.dll

16.0.4534.1000

1960184

18-Jan-18

01:50

msointl.dll.x86.1049

msointl.dll

16.0.4534.1000

1901304

18-Jan-18

01:50

msointl.dll.x86.1051

msointl.dll

16.0.4534.1000

1969400

18-Jan-18

01:45

msointl.dll.x86.1060

msointl.dll

16.0.4534.1000

1805560

18-Jan-18

01:45

msointl.dll.x86.2074

msointl.dll

16.0.4528.1000

1763584

18-Jan-18

01:50

msointl.dll.x86.9242

msointl.dll

16.0.4549.1000

1792768

18-Jan-18

01:50

msointl.dll.x86.1053

msointl.dll

16.0.4627.1000

1732328

18-Jan-18

01:50

msointl.dll.x86.1054

msointl.dll

16.0.4534.1000

1825016

18-Jan-18

01:50

msointl.dll.x86.1055

msointl.dll

16.0.4534.1000

1996536

18-Jan-18

01:50

msointl.dll.x86.1058

msointl.dll

16.0.4534.1000

1889528

18-Jan-18

01:50

msointl.dll.x86.1066

msointl.dll

16.0.4534.1000

2003200

18-Jan-18

01:45

msointl.dll.x86.2052

msointl.dll

16.0.4651.1000

2320048

18-Jan-18

01:50

msointl.dll.x86.1028

msointl.dll

16.0.4651.1000

2327216

18-Jan-18

01:50

conversion.office.msores.dll

msores.dll

16.0.4435.1000

81666816

17-Jan-18

10:06

msores.dll

msores.dll

16.0.4435.1000

81666816

17-Jan-18

10:03

ppt.conversion.msores.dll

msores.dll

16.0.4435.1000

81666816

ppt.edit.msores.dll

msores.dll

16.0.4435.1000

81666816

wac.office.msores.dll

msores.dll

16.0.4435.1000

81666816

msores.dll

msores.dll

16.0.4435.1000

81666816

17-Jan-18

10:03

msores.dll.x86

msores.dll

16.0.4435.1000

81666816

17-Jan-18

10:13

mso.dll.x64

mso.dll

16.0.4654.1000

19815152

18-Jan-18

05:10

mso.dll.x86

mso.dll

16.0.4654.1000

14375664

18-Jan-18

05:06

msointl.dll.x64.1033

msointl.dll

16.0.4528.1000

1561848

17-Jan-18

10:06

msointl.dll.x86.1033

msointl.dll

16.0.4528.1000

1537280

17-Jan-18

10:02

How to get help and support for this security update

Help for installing updates: Windows Update FAQ

Security solutions for IT professionals: 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

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

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