Type Confusion in Google Chromium - CVE-2026-9117

Vulnerability identifier: #VU132021

CSH Severity: High

CVSS v4: 8.6 [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]

CVE-ID: CVE-2026-9117

CWE-ID: CWE-843

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error within the GFX component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

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/497542537

• 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