Microsoft Internet Explorer 9 through 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Browser Memory Corruption Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-145
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-144