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-2017-0281 and Microsoft Common Vulnerabilities and Exposures CVE-2017-0254.
Note To apply this security update, you must have the release version of Service Pack 1 for Microsoft Office Web Apps Server 2013 installed on the computer.
Security update deployment information
For deployment information about this update, see security update deployment information: May 9, 2017.
Security update replacement information
This security update does not replace any previously released security update.
File hash information
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For a list of the files that are provided in this cumulative update KB3191888, download the file information for update KB3191888.