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Tag: shieldcrash

2 articles

Laptop on cluttered desk displays blurred code on screen in dim home office.

Microsoft Defender Exposed to New Zero-Day Exploit

A security researcher known as Nightmare Eclipse has just dropped a proof-of-concept exploit for a new Microsoft Defender zero-day vulnerability, dubbed ShieldCrash, which surprisingly still works on Windows systems that have already applied the latest September patches. This marks the researcher's 11th Microsoft zero-day exploit to be made public.

Analyst 207
Cluttered office desk with Windows desktop computer and laptop displaying security interface.

Microsoft Defender Zero-Day Exploited to Grant SYSTEM Access

A new zero-day exploit called "ShieldCrash" has been published by an anonymous researcher, granting SYSTEM-level access to affected Microsoft Defender systems. This alarming vulnerability comes hot on the heels of Microsoft's September 2026 Patch Tuesday security updates.

Analyst 207