Privilege Escalation Vulnerability in Microsoft Defender for Endpoint by Microsoft

CVE-2026-56178

What is CVE-2026-56178?

A race condition in Microsoft Defender for Endpoint can allow an authorized attacker to elevate privileges locally, potentially leading to unauthorized access and actions within the system. This vulnerability arises from the timing discrepancies between when a check is made to verify system states and when the actual actions are executed, enabling attackers to exploit the window of opportunity to gain higher privileges.

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