What is CVE-2026-3061?

CVE-2026-3061 is a critical-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2026-02-23.

How severe is CVE-2026-3061?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Out-of-bounds Read in Apple macOS

CVE-2026-3061

Out of bounds read in Media in Google Chrome prior to 145.0.7632.116 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Buffer Overflow

Published 2026-02-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.4% 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/2026/02/stable-channel-update-for-desktop_23.html (Release Notes)
issues.chromium.org/issues/482862710 (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2026-3061?: CVE-2026-3061 is a critical-severity vulnerability in Apple macOS, classified under Out-of-bounds Read. CVSS score: 9.1/10. Published 2026-02-23.
How severe is CVE-2026-3061?: Critical severity. CVSS v3 base score is 9.1 out of 10.