Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016 and Windows Server, version 1709 allows an attacker to determine the origin of all webpages in the affected browser, due to how Microsoft Edge handles cross-origin requests, aka "Microsoft Edge Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-11803 and CVE-2017-11844.