The Chakra JavaScript engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-0186 and CVE-2016-0193.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-052
http://www.zerodayinitiative.com/advisories/ZDI-16-282