Deserialization Flaw in Microsoft Dynamics 365 Permits Remote Code Execution

Executive Summary

This vulnerability involves deserialization of untrusted data in Microsoft Dynamics 365 (on-premises). It allows an authorized attacker to execute arbitrary code remotely over a network.

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Detection Guidance

Detecting this vulnerability requires monitoring for unusual deserialization activity in Microsoft Dynamics 365 (on-premises). Check logs for unexpected network connections or code execution attempts. Use network monitoring tools to inspect traffic for suspicious deserialization patterns.

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Impact Analysis

An attacker could exploit this to run malicious code on your system, potentially leading to data breaches, system compromise, or unauthorized access to sensitive information.

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Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR (data protection) and HIPAA (health data privacy) requirements, resulting in legal penalties and reputational damage.

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Mitigation Strategies

Apply the latest security updates from Microsoft for Microsoft Dynamics 365 (on-premises) as soon as possible to address the deserialization flaw.

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