CVE-2021-21224
HIGHEPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Description
Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a re…
Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a re…
Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a re…
Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a re…
Frequently Asked Questions
Is CVE-2021-21224 in your stack?
O3 detects CVE-2021-21224 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.