CVE-2015-1659
Microsoft Internet Explorer 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-2015-1662 and CVE-2015-1665.
Date published : 2015-04-14
http://www.securityfocus.com/bid/73994
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-032