Microsoft - Microsoft Entra - CRITICAL - CVE-2026-33843. A vulnerability exists in Microsoft Azure Active Directory B2C that enables an unauthorized attacker to bypass authentication using an alternate path or channel. This flaw may allow the attacker to gain elevated privileges over a network, potentially compromising sensitive information and resources. It is crucial for organizations utilizing Azure Active Directory B2C to implement the latest security updates to mitigate this risk and protect against unauthorized access.