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Microsoft Update Health Tools Vulnerability Enables Remote Code Execution

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

A critical remote code execution vulnerability has been identified in Microsoft’s Update Health Tools (KB4023057), which is widely used to facilitate security updates via Intune. The flaw allows attackers to execute arbitrary code by exploiting connections to compromised Azure Blob storage accounts. This vulnerability affects systems utilizing this Windows component.

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