Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Edge Memory Corruption Vulnerability," a different vulnerability than CVE-2015-6153.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-125
http://www.zerodayinitiative.com/advisories/ZDI-15-583