Researcher Finds Two Windows 0-Days, First in 76 Minutes with a Frontier Model

moyix · x · 2026-10-21

Security researcher clearbluejar reports finding two Windows 0-days using a frontier model (Claude Opus 4.8), with the first confirmed root cause just 76 minutes after the first request. The same hunt was then replayed on local models including Qwen, DS4 and GLM to test how much frontier capability survives locally and how much human steering it takes. Talk: "To the Frontier and Back Again" at [un]prompted.au.

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