Serial Microsoft 0-Day Hunter Drops yet Another Defender Exploit
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5 Articles
Microsoft has only just released its September security patches for Windows, and yet another Microsoft Defender-related issue has already surfaced. Security researcher Nightmare Eclipse has revealed the ShieldCrash exploit, which... Full version of the page: https://ithardware.pl/aktualnosci/microsoft_defender_luka_shield_break-53893.html
ShieldCrash reads arbitrary files with SYSTEM rights on Windows, despite Microsoft's patch for ShieldBreak. The tool's original researcher claims that bypass works even on machines updated at the Patch Tuesday of September 2026.
Chaotic Eclipse Released ShieldCrash, A PoC For Microsoft Defender Zero-Day
The researcher Chaotic Eclipse released ShieldCrash, a PoC exploit for a Microsoft Defender Zero-Day vulnerability. Security researcher Chaotic Eclipse, also known as INFINITE NIGHTMARE, MSNightmare and Nightmare-Eclipse, released a new zero-day exploit targeting Microsoft Defender. The researcher named the exploit ShieldCrash, it triggers an arbitrary file read as SYSTEM. The researcher claims that Microsoft has not fully […] This article has b…
Researcher Drops New Microsoft Defender PoC Showing ShieldBreak Patch Can Be Bypassed
The security researcher known as Chaotic Eclipse has dropped a proof-of-concept (PoC) for yet another zero-day in Microsoft Defender. The vulnerability, codenamed ShieldCrash, is assessed to be a patch bypass for CVE-2026-69414 (CVSS score: 7.8), also called ShieldBreak, which the researcher reported last month. "Microsoft has failed to properly patch ShieldBreak CVE-2026-69414," Chaotic
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