ConsentFix and ClickFix: Unveiling the New Era of Microsoft 365 Account Hijacking
In July 2026, a sophisticated social engineering attack known as ConsentFix emerged, targeting Microsoft 365 users. This attack exploits users' habitual responses to familiar prompts by presenting a seemingly legitimate authentication process. Victims receive phishing lures that lead them to a fake Microsoft sign-in page, where they are instructed to drag a localhost callback link into their browser. This action inadvertently grants attackers OAuth tokens, enabling unauthorized access to the victim's Microsoft 365 account without requiring passwords or bypassing multi-factor authentication. The attack is particularly insidious as it leverages routine user behaviors, making it difficult to detect and prevent. The ConsentFix attack underscores the evolving nature of cyber threats that exploit user trust and routine actions. As attackers continue to refine their methods, it is imperative for organizations to enhance user education on recognizing sophisticated phishing attempts and to implement robust security measures that can detect and mitigate such deceptive tactics.
Kill Chain
