Out-of-bounds Read in Apple macOS
CVE-2026-11667
Out of bounds read in WebRTC in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the GPU process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (10.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Apple macOS
- Google Chrome — versions 149.0.7827.103
- Linux Kernel
- Microsoft Windows
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744… (Vendor Advisory)
- issues.chromium.org/issues/514671098 (Permissions Required)
Frequently asked questions
- What is CVE-2026-11667?
- CVE-2026-11667 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2026-06-09.
- How severe is CVE-2026-11667?
- High severity. CVSS v3 base score is 7.5 out of 10.