A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content, aka "Microsoft Edge Spoofing Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8388.
https://seclists.org/bugtraq/2019/Apr/21
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8383
http://www.securitytracker.com/id/1041457