Tag: Microsoft Defender
Cybersecurity Threat Advisory: ShieldCrash Grants SYSTEM Access
Cybersecurity Threat Advisory: ShieldCrash Grants SYSTEM Access
Security researcher Nightmare Eclipse has released a new Microsoft Defender zero-day exploit called ShieldCrash, shortly after Microsoft’s September 2026 Patch Tuesday updates. According to the researcher, ShieldCrash bypasses the fix for the previously patched ShieldBreak Defender privilege escalation vulnerability. What...
Cybersecurity Threat Advisory: RedSun exploits Microsoft Defender real-time protection
Cybersecurity Threat Advisory: RedSun exploits Microsoft Defender real-time protection
A new proof of concept (PoC), RedSun, exploits Windows devices running Microsoft Defender real‑time protection on Windows 10, Windows 11, and Windows Server 2019+. It abuses Defender’s handling of cloud‑tagged files to achieve local privilege escalation to SYSTEM. Read this...
