What is CVE-2026-11153?

CVE-2026-11153 is a critical-severity vulnerability in Apple macOS, classified under CWE-1300. CVSS score: 9.1/10. Published 2026-06-04.

How severe is CVE-2026-11153?

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

Vulnerability in Apple macOS

CVE-2026-11153

Side-channel information leakage in Forms in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Published 2026-06-04 · last modified 2026-07-23.

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:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.2% 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-1300

References

chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html (Vendor Advisory)
issues.chromium.org/issues/501779840 (Permissions Required)

Frequently asked questions

What is CVE-2026-11153?: CVE-2026-11153 is a critical-severity vulnerability in Apple macOS, classified under CWE-1300. CVSS score: 9.1/10. Published 2026-06-04.
How severe is CVE-2026-11153?: Critical severity. CVSS v3 base score is 9.1 out of 10.