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Claude Mythos Turning N-Days Into N-Hours With Rapid Working Exploit Creation

ID: 632430f1-0ef4-5f06-ace6-a0aaa1584210

STIX ID: report--632430f1-0ef4-5f06-ace6-a0aaa1584210

Feed Name: cybersecurityNews.com

Threat Score
78/100

Date Published: 2026-06-11

Date Updated: 2026-06-11

Author: Abinaya

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The report describes how Anthropic's Claude Mythos Preview LLM rapidly generated PoC and fully functional exploits for dozens of N-day vulnerabilities (Firefox SpiderMonkey and Windows kernel CVEs), shrinking exploit development timelines from weeks to minutes/hours and increasing risk during the patch gap; organizations are urged to accelerate patching and adopt mitigations like memory-safe languages and exploit protections.

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