Permissions, Privileges, and Access Controls in Google Chromium - CVE-2026-9116

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Main Vulnerability Database Vulnerabilities #VU132020

Permissions, Privileges, and Access Controls in Google Chromium - CVE-2026-9116

Published: May 21, 2026


Vulnerability identifier: #VU132020
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-9116
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Chromium

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in ServiceWorker in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.


How to mitigate CVE-2026-9116

Install update from vendor's website.

Sources