Zero-Day Vulnerability in Defender: Chaotic Eclipse Leaks New Windows Exploit

TL;DR AI-generated Security researcher Chaotic Eclipse has released a new zero-day exploit called Shieldbreak, enabling privilege escalation on Windows systems via Microsoft Defender and bypassing the Rogueplanet patch. Chaotic Eclipse achieved a 100 percent success rate in tests on Windows 11 25H2 and Windows Server 2025.