A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to execute arbitrary code in the context of the current user, aka "Microsoft Edge Memory Corruption Vulnerability."
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0205
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-0572