The scripting engines in Microsoft Internet Explorer 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, as demonstrated by the Chakra JavaScript engine, aka "Scripting Engine Memory Corruption Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-119
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-118
http://www.securitytracker.com/id/1036993