What is CVE-2026-10960?

CVE-2026-10960 is a high-severity vulnerability in Apple macOS, classified under CWE-457. CVSS score: 8.3/10. Published 2026-06-04.

How severe is CVE-2026-10960?

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

Vulnerability in Apple macOS

CVE-2026-10960

Uninitialized Use in Codecs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Published 2026-06-04 · last modified 2026-07-22.

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 (19.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.5% 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-457

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html (Vendor Advisory)
issues.chromium.org/issues/507258786 (Permissions Required)

Frequently asked questions

What is CVE-2026-10960?: CVE-2026-10960 is a high-severity vulnerability in Apple macOS, classified under CWE-457. CVSS score: 8.3/10. Published 2026-06-04.
How severe is CVE-2026-10960?: High severity. CVSS v3 base score is 8.3 out of 10.