Permissions, Privileges, and Access Controls in Google Chromium - CVE-2026-11309

Vulnerability identifier: #VU133891

CSH Severity: Low

CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-11309

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to insufficient policy enforcement in History in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Google Chromium
Microsoft Edge
Google Chrome
Debian Linux
Fedora
chromium
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 149.0.7827.53
Microsoft Edge - update to 149.0.4022.52
Google Chrome - update to 149.0.7827.53
chromium - addressed in versions 149.0.7827.53-1.el9, 149.0.7827.53-1.el10_2, 149.0.7827.53-1.el10_3, 149.0.7827.53-1.fc43, 149.0.7827.53-1.fc44, 149.0.7827.102-1.fc43
chromium (Debian package) - addressed in versions 149.0.7827.53-1~deb12u1, 149.0.7827.53-1~deb13u1

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
• https://crbug.com/506392934

• Fedora EPEL 9 update for chromium
• Fedora 44 update for chromium
• Fedora EPEL 10.3 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora 43 update for chromium
• Fedora 43 update for chromium
• Debian update for chromium
• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge