Input validation error in Google Chromium - CVE-2026-9124

Vulnerability identifier: #VU132029

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-9124

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 Input 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
chromium
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 148.0.7778.178
Microsoft Edge - update to 148.0.3967.83
Google Chrome - update to 148.0.7778.178
chromium - addressed in versions 148.0.7778.178-1.el9, 148.0.7778.178-1.el10_2, 148.0.7778.178-1.el10_3, 148.0.7778.178-1.fc42, 148.0.7778.178-1.fc43, 148.0.7778.178-1.fc44
chromium (Debian package) - addressed in versions 148.0.7778.178-1~deb12u1, 148.0.7778.178-1~deb13u1

• https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html
• https://crbug.com/496375695

• Multiple vulnerabilities in Google Chrome
• Fedora 44 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora EPEL 10.2 update for chromium
• Fedora EPEL 10.3 update for chromium
• Fedora 42 update for chromium
• Fedora 43 update for chromium
• Debian update for chromium
• Multiple vulnerabilities in Microsoft Edge