Microsoft Internet Explorer 7 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Memory Corruption Vulnerability," a different vulnerability than CVE-2015-2486, CVE-2015-2487, CVE-2015-2490, CVE-2015-2492, CVE-2015-2494, and CVE-2015-2499.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-094
http://www.zerodayinitiative.com/advisories/ZDI-15-424