What is CVE-2026-6363?

CVE-2026-6363 is a high-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-04-15.

How severe is CVE-2026-6363?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Google Chrome

CVE-2026-6363

Type Confusion in V8 in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: Medium)

EPSS: 0.000 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Chrome — versions 147.0.7727.101

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

chrome-cve-admin@google.com (Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2026-6363?: CVE-2026-6363 is a high-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-04-15.
How severe is CVE-2026-6363?: High severity. CVSS v3 base score is 8.8 out of 10.