What is CVE-2026-6301?

CVE-2026-6301 is a high-severity vulnerability in Apple macOS, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-04-15.

How severe is CVE-2026-6301?

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

Vulnerability in Apple macOS

CVE-2026-6301

Type Confusion in Turbofan in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Published 2026-04-15 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.005 (36.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Weakness classification (CWE)

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

References

chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html (Release Notes, Vendor Advisory)
issues.chromium.org/issues/495273999 (Permissions Required)

Frequently asked questions

What is CVE-2026-6301?: CVE-2026-6301 is a high-severity vulnerability in Apple macOS, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2026-04-15.
How severe is CVE-2026-6301?: High severity. CVSS v3 base score is 8.8 out of 10.