A Security Update has been released for Outlook 2007. It resolves the vulnerabilities mentioned in CVE-2017-8506, CVE-2017-8507, and CVE-2017-8508 which could allow remote code execution if a user opens a specially crafted Office file or email message.
View: Download information for KB3191898
Note: This update can be installed via Microsoft Update and updates Outlook to version 12.0.6770.5000.