Information Disclosure Vulnerability in Microsoft 365 Copilot BizChat

CVE-2025-53774

What is CVE-2025-53774?

An information disclosure vulnerability exists in Microsoft 365 Copilot BizChat, potentially exposing sensitive data to unauthorized users. This flaw can be exploited, allowing attackers to gain access to confidential information shared through the platform. Therefore, organizations using Microsoft 365 should implement security best practices and monitor for any potential exploit attempts. For detailed information and remediation guidance, please refer to the vendor's advisory.

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