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Researcher Drops New Microsoft Defender PoC Showing ShieldBreak Patch Can Be Bypassed

The Hacker News·September 9, 2026·1 min read
Researcher Drops New Microsoft Defender PoC Showing ShieldBreak Patch Can Be Bypassed

Researcher Chaotic Eclipse released a proof-of-concept for a new Microsoft Defender zero-day, codenamed ShieldCrash, assessed as a patch bypass for CVE-2026-69414 (CVSS 7.8), also called ShieldBreak, reported last month. Chaotic Eclipse stated Microsoft failed to properly patch the earlier flaw.

Read at The Hacker News
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