What is CVE-2026-7909?

CVE-2026-7909 is a low-severity vulnerability in Apple Macos, classified under Protection Mechanism Failure. CVSS score: 3.1/10. Published 2026-05-06.

How severe is CVE-2026-7909?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Apple Macos

CVE-2026-7909

Inappropriate implementation in ServiceWorker in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

EPSS: 0.000 (7.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Apple Macos
Google Chrome — versions 148.0.7778.96
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

chrome-cve-admin@google.com (Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2026-7909?: CVE-2026-7909 is a low-severity vulnerability in Apple Macos, classified under Protection Mechanism Failure. CVSS score: 3.1/10. Published 2026-05-06.
How severe is CVE-2026-7909?: Low severity. CVSS v3 base score is 3.1 out of 10.