What is CVE-2026-3916?

CVE-2026-3916 is a critical-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 9.6/10. Published 2026-03-11.

How severe is CVE-2026-3916?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Out-of-bounds Read in Apple macOS

CVE-2026-3916

Out of bounds read in Web Speech in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Buffer Overflow

Published 2026-03-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.5% 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

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_10.html (Release Notes, Vendor Advisory)
issues.chromium.org/issues/482828615 (Permissions Required)

Frequently asked questions

What is CVE-2026-3916?: CVE-2026-3916 is a critical-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 9.6/10. Published 2026-03-11.
How severe is CVE-2026-3916?: Critical severity. CVSS v3 base score is 9.6 out of 10.