What is CVE-2026-11697?

CVE-2026-11697 is a critical-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-06-09.

How severe is CVE-2026-11697?

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

Improper input validation in Apple macOS

CVE-2026-11697

Insufficient validation of untrusted input in UI in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-06-09 · last modified 2026-07-23.

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: 0.002 (9.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.2% 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

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744… (Vendor Advisory)
issues.chromium.org/issues/518105731 (Permissions Required)

Frequently asked questions

What is CVE-2026-11697?: CVE-2026-11697 is a critical-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2026-06-09.
How severe is CVE-2026-11697?: Critical severity. CVSS v3 base score is 9.6 out of 10.