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-2017-8509.

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

Improvements and fixes

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

  • Improve Japanese era calendar.

  • Correct the month lengths for Chinese Lunar years from 2019 to 2050.

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: June 13, 2017.

Security update replacement information

This security update replaces previously released security update KB3178703.

File hash information

Package Name

Package Hash SHA 1

Package Hash SHA 2

msodll302016-kb3191882-fullfile-x86-glb.exe

7E2A09741AC7E8D4961E49B1B58730448E168B13

586292DE7CF4A60B11E1252BCC68A6D5596A1024AD69B5EB71008ABA0FE0A2F4

msodll302016-kb3191882-fullfile-x64-glb.exe

F747327B8D4E9FBE989A83A9A0D4616244D12563

7866A99B6E5882B1ACBB4E2940A6382FACA82213EFB2BF1ABE4E4DC1D25F2472

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 the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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

msointl30.dll.x86.2074

msointl30.dll

16.0.4309.1000

60608

17-May-17

05:25

msointl30.dll.x86.1054

msointl30.dll

16.0.4483.1000

80632

17-May-17

05:25

mso30win32client.dll

mso30win32client.dll

16.0.4549.1000

4761856

mso30win32client.dll.x64

mso30win32client.dll

16.0.4549.1000

4761856

17-May-17

03:19

msointl30.dll.x86.1033

msointl30.dll

16.0.4309.1000

59584

16-May-17

06:33

mso30win32client.dll.x86

mso30win32client.dll

16.0.4549.1000

3196672

17-May-17

03:19

For all supported x64-based versions of Office 2016

File identifier

File name

File version

File size

Date

Time

conversion.msoserver.msointl30_win32.dll_2074

msointl30_win32.dll

16.0.4309.1000

60608

msointl30.dll.x64.2074

msointl30.dll

16.0.4309.1000

60608

17-May-17

05:20

conversion.msoserver.msointl30_win32.dll_1054

msointl30_win32.dll

16.0.4483.1000

80640

17-May-17

05:20

msointl30.dll.x64.1054

msointl30.dll

16.0.4483.1000

80640

17-May-17

05:20

msointl30.dll.x86.2074

msointl30.dll

16.0.4309.1000

60608

17-May-17

05:25

msointl30.dll.x86.1054

msointl30.dll

16.0.4483.1000

80632

17-May-17

05:25

conversion.msoserver.msointl30_win32.dll_1033

msointl30_win32.dll

16.0.4309.1000

59584

msointl30.dll.x64.1033

msointl30.dll

16.0.4309.1000

59584

16-May-17

06:37

mso30win32client.dll

mso30win32client.dll

16.0.4549.1000

4761856

mso30win32client.dll.x64

mso30win32client.dll

16.0.4549.1000

4761856

17-May-17

03:19

msointl30.dll.x86.1033

msointl30.dll

16.0.4309.1000

59584

16-May-17

06:33

mso30win32client.dll.x86

mso30win32client.dll

16.0.4549.1000

3196672

17-May-17

03:19

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

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

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