Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to obtain information to further compromise the user's system when Microsoft Edge improperly handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8499, CVE-2017-8520, CVE-2017-8521, and CVE-2017-8548.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8549