GPT-5.2 Develops Exploits for Zero-Day Vulnerabilities

First seen 21 Jan 2026, 06:39 UTC • Gbhackers

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A study has shown that GPT-5.2 can create working exploits for zero-day vulnerabilities, specifically targeting a flaw in the QuickJS Javascript interpreter. Security researcher Sean Heelan tested this capability using GPT-5.2 and Opus 4.5, indicating a significant advancement in exploit development by AI systems.

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GPT-5.2 Develops Exploits for Zero-Day Vulnerabilities

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