Microsoft pushes out patches for Outlook that address three newly reported vulnerabilities. Last week s update also included fixes for fixes for six of eight vulnerabilities left unpatched after issues were reported with the June Patch Tuesday update. The most serious of the new vulnerabilities, CVE-2017-8663, is a remote code execution bug exploited via a specially crafted file sent through Outlook. None of the vulnerabilities have been publicly disclosed, nor attacked. Six of the eight June updates that were pulled back have been patched.
Source: https://threatpost.com/microsoft-releases-outlook-and-office-click-to-run-patches/127095/