A spoofing vulnerability exists when a Skype for Business 2015 server does not properly sanitize a specially crafted request, aka "Skype for Business 2015 Spoofing Vulnerability." This affects Skype.Referenceshttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0624http://www.securityfocus.com/bid/106663