VULNERABILITY INTELLIGENCE

CVE-2021-30551

CVSS score8.8 HIGH

EPSS probability64.70%

CISA KEVKnown exploited vulnerability

Published2021-06-15

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Google Chromium V8 Type Confusion Vulnerability

Vendor / product: Google / Chromium V8

Description

Type confusion in V8 in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Weakness classification

nvd@nist.gov: CWE-843
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-843

Primary references

chrome-cve-admin@google.com — Release Notes
chrome-cve-admin@google.com — Exploit, Issue Tracking, Third Party Advisory
chrome-cve-admin@google.com — Release Notes
chrome-cve-admin@google.com — Release Notes
chrome-cve-admin@google.com — Third Party Advisory
chrome-cve-admin@google.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes
af854a3a-2127-422b-91ae-364da2661108 — Release Notes
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory