Description of the security update for Office 2016: September 12, 2017


None ## 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-2017-8630](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8630>). **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 issue: * After you export .emf files as .pdf files in Visio 2016, the line weights are displayed incorrectly. ## 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](<https://support.microsoft.com/en-us/help/12373/windows-update-faq>). ### Method 2: Microsoft Update Catalog To get the stand-alone package for this update, go to the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/Search.aspx?q=KB3203474>) 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. * ![Download icon](https://support.content.office.net/en-us/media/2ae362dc-2179-d733-e930-e231c68a2c4a.png)[Download the security update KB3203474 for the 32-bit version of Office 2016](<http://www.microsoft.com/download/details.aspx?familyid=ac7f11ed-895c-41c5-90a9-08cb58ab47a3>) * ![Download icon](https://support.content.office.net/en-us/media/2ae362dc-2179-d733-e930-e231c68a2c4a.png)[Download the security update KB3203474 for the 64-bit version of Office 2016](<http://www.microsoft.com/download/details.aspx?familyid=faba99a6-ed11-43a7-ba1b-b0126dd29ec7>) ## More Information ### Security update deployment information For deployment information about this update, see [security update deployment information: September 12, 2017](<https://support.microsoft.com/en-us/help/20170912>). ### Security update replacement information This security update doesn't replace any previously released update. ### File hash information Package Name| Package Hash SHA 1| Package Hash SHA 2 ---|---|--- oart2016-kb3203474-fullfile-x86-glb.exe| 0E7DE69E6EB31F57D32DE1740ACD1379643E60B3| 2E46F10D02330F5BB7D212E6C3F23E26D382A438F0B48705ADCE60EF96DD7E47 oart2016-kb3203474-fullfile-x64-glb.exe| 4B1D8E7F5848594D5E6DAF30C3C09DD6685294B1| 2AAE5B01F75C0834B4A258A5EFC09B369CFBFEACD8A677797F382819602EFF7F ### 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 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 ---|---|---|---|---|--- igx.dll| igx.dll| 16.0.4588.1000| 9744568| 16-Aug-17| 11:54 oart.dll| oart.dll| 16.0.4588.1000| 12532944| 16-Aug-17| 11:54 oartodf.dll| oartodf.dll| 16.0.4588.1000| 1834720| 16-Aug-17| 11:54 For all supported x64-based versions of Office 2016File identifier| File name| File version| File size| Date| Time ---|---|---|---|---|--- igx.dll| igx.dll| 16.0.4588.1000| 11260600| 16-Aug-17| 11:56 xlsrv.ecs.igx.dll| igx.dll| 16.0.4588.1000| 11260600| | oart.dll| oart.dll| 16.0.4588.1000| 18272464| 16-Aug-17| 11:56 xlsrv.ecs.oart.dll| oart.dll| 16.0.4588.1000| 18272464| | oartodf.dll| oartodf.dll| 16.0.4588.1000| 3311328| 16-Aug-17| 11:56 xlsrv.ecs.oartodf.dll| oartodf.dll| 16.0.4588.1000| 3311328| | ## How to get help and support for this security update Help for installing updates: [Windows Update FAQ](<https://support.microsoft.com/help/12373/windows-update-faq>)Security solutions for IT professionals: [Security Support and Troubleshooting](<https://technet.microsoft.com/security/bb980617.aspx>)Help for protecting your Windows-based computer from viruses and malware: [Microsoft Secure](<https://support.microsoft.com/contactus/cu_sc_virsec_master>)Local support according to your country: [International Support](<http://support.microsoft.com>)Propose a feature or provide feedback on Office: [Office User Voice portal](<https://office.uservoice.com/>)