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[SECURITY]■ STORY TIMELINE

MICROSOFT DEFENDER ZERO-DAY GRANTS SYSTEM ACCESS

Security group Nightmare Eclipse has disclosed a zero-day vulnerability in Microsoft Defender named 'ShieldBreak' that grants SYSTEM-level privileges. The exploit emerged after Microsoft's August 2026 Patch Tuesday updates.

2 SOURCESFIRST SEEN AUG 12, 10:15 AM► READ THE ARTICLE
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Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldBreak" after Microsoft released th…

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