CVE-2017-8613: Weak Password Recovery Mechanism for Forgotten Password

Azure AD Connect Password writeback, if misconfigured during enablement, allows an attacker to reset passwords and gain unauthorized access to arbitrary on-premises AD privileged user accounts aka "Azure AD Connect Elevation of Privilege Vulnerability."...

Microsoft Security Advisory 4033453: Vulnerability in Azure AD Connect Could Allow Elevation of Privilege

The version of Azure Active Directory AD Connect installed on the remote Windows host is prior to 1.1.553.0, and the password writeback setting is enabled. It is, therefore, affected by an elevation of privilege vulnerability due to improper permissions being granted when enabling the password...