🇺🇸 English, 27 October 2026, AI-discovered vulnerabilities
AI-Discovered Vulnerabilities Shake Cybersecurity Market
Five cybersecurity stocks rose sharply after a surge of AI-discovered vulnerabilities exposed weaknesses in PHP and other systems.
In late October 2026, researchers using advanced AI models found critical flaws in PHP, the behind-the-scenes programming language that powers nearly 70% of websites, according to some W3Techs estimates cited by CNBC.
Former CISA Director Chris Krebs told CNBC’s Squawk Box on Oct. 23 that 3% of all critical vulnerabilities ever discovered had been found in the past month.
Large companies can use advanced models to secure their systems while small and midsize businesses will struggle, and he urged smaller firms to scan constantly, patch fast, or take legacy systems offline.