[ CVE-2022-4262 · Published 2 Dec 2022 ]

Google Chromium V8 Type Confusion Vulnerability

Exploited · CISA KEV CVSS 8.8 EPSS 24%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-12-05
  • EPSS: 24% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

Type confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 26 Dec 2022): Apply updates per vendor instructions.

[ References ]References