Microsoft Internet Explorer 8 through 11 and Edge allow 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-2015-2444.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-091
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-079