Input validation error in Google Chromium - CVE-2026-11701

Vulnerability identifier: #VU133984

CSH Severity: Medium

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-11701

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input in Guest View in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

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

Install update from vendor's website.

Google Chromium - update to 149.0.7827.102
Microsoft Edge - update to 149.0.4022.62
Google Chrome - update to 149.0.7827.102
Chrome OS - update to 144.0.7559.261
chromium - addressed in versions 149.0.7827.102-1.el9, 149.0.7827.102-1.el10_2, 149.0.7827.102-1.el10_3, 149.0.7827.102-1.fc43, 149.0.7827.102-1.fc44
chromium (Debian package) - addressed in versions 149.0.7827.102-1~deb12u1, 149.0.7827.102-1~deb13u1

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html
• https://crbug.com/516413817

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