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Critical RCE Vulnerability in Microsoft Update Health Tools Exposed

First seen 25 Nov 2025, 12:28 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

A critical remote code execution vulnerability has been identified in Microsoft’s Update Health Tools (KB4023057), a component designed to facilitate security updates via Intune. The flaw allows attackers to execute arbitrary code by exploiting connections to compromised Azure Blob storage accounts. Affected users include those utilizing this widely deployed Windows component.

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