#microsoft-defender
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New BigDiskBuster zero-day cuts off Windows Defender updates
Researcher Abdelhamid Naceri has dropped yet another exploit against Microsoft's built-in antivirus — this one keeps Defender from updating. It is roughly the tenth flaw in his drawn-out feud with the company.
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“ShieldCrash”: a new zero-day exploit for Microsoft Defender grants SYSTEM privileges
An anonymous researcher going by the handle Nightmare Eclipse has released an exploit for Microsoft Defender right after September's “Patch Tuesday.”
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Microsoft Defender's Own Driver Turned into a Weapon Against Security Software
Check Point researchers have shown how Windows Defender's built-in bootstrap driver can be used for arbitrary kernel-level operations — up to and including wiping out Defender itself on a Windows 11 machine.
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ShieldBreak: PoC Bypasses Patch for Microsoft Defender Vulnerability
A researcher going by the handle Chaotic Eclipse has published a proof-of-concept that, by his account, fully bypasses Microsoft's fix for the RoguePlanet vulnerability and hands an attacker SYSTEM privileges.