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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (20.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Apple macOS
- Google Chrome — versions 147.0.7727.101
- Linux Kernel
- Microsoft Windows
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_15.html (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/498782145 (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.