What is CVE-2026-9935?

CVE-2026-9935 is a medium-severity vulnerability in Apple macOS, classified under CWE-457. CVSS score: 4.3/10. Published 2026-05-28.

How severe is CVE-2026-9935?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Apple macOS

CVE-2026-9935

Uninitialized Use in ANGLE in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Published 2026-05-28 · last modified 2026-07-21.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (18.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.6% 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: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-457

References

chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/501584689 (Permissions Required)

Frequently asked questions

What is CVE-2026-9935?: CVE-2026-9935 is a medium-severity vulnerability in Apple macOS, classified under CWE-457. CVSS score: 4.3/10. Published 2026-05-28.
How severe is CVE-2026-9935?: Medium severity. CVSS v3 base score is 4.3 out of 10.