What is CVE-2026-6314?

CVE-2026-6314 is a high-severity vulnerability in Apple Macos, classified under Out-of-bounds Write. CVSS score: 8.3/10. Published 2026-04-15.

How severe is CVE-2026-6314?

High severity. CVSS v3 base score is 8.3 out of 10.

Buffer overflow in Apple Macos

CVE-2026-6314

Out of bounds write in GPU in Google Chrome prior to 147.0.7727.101 allowed a remote attacker who had compromised the GPU process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Buffer Overflow

EPSS: 0.000 (13.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Apple Macos
Google Chrome — versions 147.0.7727.101
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-6314?: CVE-2026-6314 is a high-severity vulnerability in Apple Macos, classified under Out-of-bounds Write. CVSS score: 8.3/10. Published 2026-04-15.
How severe is CVE-2026-6314?: High severity. CVSS v3 base score is 8.3 out of 10.