CVE-2021-30563CISA KEVEPSS p95.1%

CVE-2021-30563Google Chromium V8 Type Confusion Vulnerability

Google / Chromium V8

Description

Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Scoring

EPSS9.00% probability of exploitation · percentile 95.1% · 2026-10-05T12:00:23Z

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryGoogle Chromium V8 Type Confusion Vulnerabilitykev-cve-2021-305630%live
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.