Description of the security update for Outlook 2016: July 27, 2017

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 the following Security TechCenter articles:Microsoft Common Vulnerabilities and Exposures CVE-2017-8571
Microsoft Common Vulnerabilities and Exposures CVE-2017-8572
Microsoft Common Vulnerabilities and Exposures CVE-2017-8663

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

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.

• Download security update 4011052 for the 32-bit version of Outlook 2016
• Download security update 4011052 for the 64-bit version of Outlook 2016

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More Information

Security update replacement information

This security update replaces the previously released update 3191932.

File hash information

File name	SHA1 hash	SHA256 hash
outlook2016-kb4011052-fullfile-x86-glb.exe	E61C99E1A0D653539B05704A2F6976F89096875D	BA947A9D6B00CF775C9E1FFE614BD26A5BAF57D801FF9DA21C25C72474D1B2C7
outlook2016-kb4011052-fullfile-x64-glb.exe	966A98C95E92E46CACA2DF74593BF660DA87B090	3E947996F37451089CC01126D0C619AF778B3DEA6BDC8608A8836D42597481AC

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 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

File identifier	File name	File version	File size	Date	Time
Contab32.dll	Contab32.dll	16.0.4573.1000	152,824	18-Jul-2017	13:48
Dlgsetp.dll	Dlgsetp.dll	16.0.4573.1000	109,800	18-Jul-2017	13:48
Envelope.dll	Envelope.dll	16.0.4573.1000	189,192	18-Jul-2017	13:48
Mapiph.dll	Mapiph.dll	16.0.4498.1000	332,616	18-Jul-2017	13:48
Mapir.dll_1033	Mapir.dll	16.0.4444.1000	1,280,736	18-Jul-2017	13:47
Mimedir.dll	Mimedir.dll	16.0.4573.1001	446,136	19-Jul-2017	11:40
Olmapi32.dll	Olmapi32.dll	16.0.4573.1001	4,785,408	19-Jul-2017	11:40
Omsmain.dll	Omsmain.dll	16.0.4573.1000	753,408	18-Jul-2017	13:48
Omsxp32.dll	Omsxp32.dll	16.0.4573.1000	261,416	18-Jul-2017	13:48
Outllibr.dll_1033	Outllibr.dll	16.0.4561.1000	7,492,328	18-Jul-2017	13:47
Outlmime.dll	Outlmime.dll	16.0.4573.1000	611,600	18-Jul-2017	13:48
Outlook.exe	Outlook.exe	16.0.4573.1001	23,204,032	19-Jul-2017	11:40
Outlook.hol_1033	Outlook.hol	Not applicable	1,336,794	18-Jul-2017	13:47
Outlph.dll	Outlph.dll	16.0.4534.1000	358,704	18-Jul-2017	13:48
Outlvba.dll	Outlvba.dll	16.0.4573.1000	76,536	18-Jul-2017	13:48
Pstprx32.dll	Pstprx32.dll	16.0.4573.1000	1,386,192	18-Jul-2017	13:48
Rm.dll	Rm.dll	16.0.4312.1000	81,584	18-Jul-2017	13:48
Scnpst32.dll	Scnpst32.dll	16.0.4573.1000	460,632	18-Jul-2017	13:48
Scnpst64.dll	Scnpst64.dll	16.0.4573.1000	472,424	18-Jul-2017	13:48
Scnpst64c.dll	Scnpst64c.dll	16.0.4573.1000	673,648	18-Jul-2017	13:48

For all supported x64-based versions

File identifier	File name	File version	File size	Date	Time
Contab32.dll	Contab32.dll	16.0.4573.1000	199,920	18-Jul-2017	13:55
Dlgsetp.dll	Dlgsetp.dll	16.0.4561.1000	138,472	18-Jul-2017	13:55
Envelope.dll	Envelope.dll	16.0.4573.1000	248,584	18-Jul-2017	13:55
Mapiph.dll	Mapiph.dll	16.0.4540.1000	481,088	18-Jul-2017	13:55
Mapir.dll_1033	Mapir.dll	16.0.4444.1000	1,280,736	18-Jul-2017	13:54
Mimedir.dll	Mimedir.dll	16.0.4573.1001	601,280	19-Jul-2017	11:43
Olappt.fae	Olappt.fae	16.0.4366.1000	134,480	18-Jul-2017	13:55
Olmapi32.dll	Olmapi32.dll	16.0.4573.1001	6,618,368	19-Jul-2017	11:43
Omsmain.dll	Omsmain.dll	16.0.4573.1000	1,004,296	18-Jul-2017	13:55
Omsxp32.dll	Omsxp32.dll	16.0.4573.1000	352,040	18-Jul-2017	13:55
Outllibr.dll_1033	Outllibr.dll	16.0.4561.1000	7,492,328	18-Jul-2017	13:54
Outlmime.dll	Outlmime.dll	16.0.4573.1000	783,632	18-Jul-2017	13:55
Outlook.exe	Outlook.exe	16.0.4573.1001	34,998,472	19-Jul-2017	11:43
Outlook.hol_1033	Outlook.hol	Not applicable	1,336,794	18-Jul-2017	13:54
Outlph.dll	Outlph.dll	16.0.4375.1000	429,360	18-Jul-2017	13:55
Outlvba.dll	Outlvba.dll	16.0.4573.1000	97,016	18-Jul-2017	13:55
Pstprx32.dll	Pstprx32.dll	16.0.4573.1000	2,570,448	18-Jul-2017	13:55
Rm.dll	Rm.dll	16.0.4444.1000	110,800	18-Jul-2017	13:55
Scnpst32.dll	Scnpst32.dll	16.0.4561.1000	611,168	18-Jul-2017	13:55
Scnpst64.dll	Scnpst64.dll	16.0.4561.1000	614,248	18-Jul-2017	13:55
Scnpst64c.dll	Scnpst64c.dll	16.0.4561.1000	814,456	18-Jul-2017	13:55

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 SupportPropose a feature or provide feedback on Office: Office User Voice portal