A serious security vulnerability existed in the Microsoft login system. Researchers who found this flaw suspected that exploiting the flaw could lead to account hijacking.
Microsoft Login System Vulnerability
Reportedly, researchers from Israeli security firm CyberArk have discovered a serious vulnerability in the Microsoft login system. Exploiting the vulnerability could allow account takeovers by potential attackers. Mentioning in detail about this discovery, TechCrunch reported that the bug affected the apps integrated with Microsoft accounts.