{"id":"CVE-2021-30563","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-30563","summary":null,"details":"Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.","published":"2021-08-03T19:15:08.230Z","modified":"2026-03-14T10:57:40.428426Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.08928,"percentile":0.94966,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":3,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30563"},{"type":"ADVISORY","url":"https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html"},{"type":"REPORT","url":"https://crbug.com/1228407"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-03-14T10:57:40.428426Z"}}