Cybersecurity3 min reading time

ShieldBreak Zero-Day PoC Claims Microsoft Defender Patch Bypass With SYSTEM Access

The Hacker News
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Security researcher Chaotic Eclipse released a proof-of-concept called ShieldBreak that bypasses Microsoft's patch for the CVE-2026-50656 vulnerability in Microsoft Defender, enabling SYSTEM-level access. The exploit was tested successfully on Windows 11 25H2 and Windows Server 2025, with Windows 10 also vulnerable. Microsoft has yet to respond to this new bypass claim.

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