"High-severity type confusion weakness in the Chrome V8 #JavaScript engine" exploited in attacks for months now.
That's why potential targets should use @torproject 🧅 browser , and why I strive to maintain @noscript on Chrome despite the #ManifestV3 woes.
https://www.bleepingcomputer.com/news/security/google-chrome-emergency-update-fixes-first-zero-day-of-2023/