Microsoft Internet Explorer 10 and 11 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability." This vulnerability is different from those described in CVE-2017-0037 and CVE-2017-0149.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0018