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

Applies to: Outlook 2016


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

Method 2: Microsoft Update Catalog

Method 3: Microsoft Download Center

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.

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: Office User Voice portal