CVE-2020-0837 — Improper Authentication in Microsoft Windows 10 Version 1607

An elevation of privilege vulnerability exists when Active Directory Federation Services (ADFS) improperly handles multi-factor authentication requests. An attacker who successfully exploited this vulnerability could bypass some, but not all, of the authentication factors. To exploit this vulnerability, an attacker could send a specially crafted authentication request. This security update corrects how ADFS handles multi-factor authentication requests.