Protection mechanism failure in Google Chromium - CVE-2026-11266

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Main Vulnerability Database Vulnerabilities #VU134784

Protection mechanism failure in Google Chromium - CVE-2026-11266

Published: June 18, 2026


Vulnerability identifier: #VU134784
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-11266
CWE-ID: CWE-693
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 improperly imposed security restrictions in SafeBrowsing. A remote attacker can trick the victim to visit a specially crafted webpage and bypass implemented policy.


How to mitigate CVE-2026-11266

Install update from vendor's website.

Sources