Microsoft Internet Explorer 10 and 11 allows 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," a different vulnerability than CVE-2014-4080, CVE-2014-4089, and CVE-2014-4091.
https://exchange.xforce.ibmcloud.com/vulnerabilities/95532
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052