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OAuth Attacks in Entra ID Can Leverage ChatGPT to Compromise User Email Accounts

Cybersecuritynews •Tushar Subhra Dutta • February 25, 2026

Threat actors are always looking for new ways to abuse trusted platforms, and Microsoft Entra ID is increasingly becoming a target through a technique known as OAuth consent abuse. A newly documented attack scenario shows how a malicious or overly permissive third-party application—one that closely resembles a trusted tool like ChatGPT—can quietly gain access to […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

OAuth Attacks Targeting Entra ID Exploit ChatGPT-Like Apps Threat actors are exploiting OAuth consent abuse in Microsoft Entra ID, using malicious applications that mimic trusted tools like ChatGPT to gain unauthorized access to user email accounts. This vulnerability affects users of Entra ID, allowing attackers to compromise sensitive information through overly permissive app permissions. 6 sources 33

Extracted Entities

OAuth Attacks in Entra ID Can Leverage ChatGPT to Compromise User Email Accounts

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Extracted Entities

Attack Types (1)

MITRE ATT&CK (1)

Platforms (2)