Improperly implemented security check for standard in Google Chromium - CVE-2026-0902

Vulnerability identifier: #VU121337

CSH Severity: High

CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-0902

CWE-ID: CWE-358

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 incorrect implementation in V8 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
Prisma Access Browser
Debian Linux
Fedora
Chrome OS
cef
chromium (Debian package)

Install update from vendor's website.

Google Chromium - update to 144.0.7559.59
Microsoft Edge - update to 144.0.3719.82
Google Chrome - update to 144.0.7559.59
Chrome OS - update to 138.0.7204.305
cef - addressed in versions 144.0.11^chromium144.0.7559.96-1.fc42, 144.0.11^chromium144.0.7559.96-1.fc43
chromium (Debian package) - addressed in versions 144.0.7559.59-1~deb12u1, 144.0.7559.59-1~deb13u1
Prisma Access Browser - update to 144.27.7.133

• https://chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop_13.html
• https://crbug.com/469143679

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Fedora 43 update for cef
• Fedora 42 update for cef
• Multiple vulnerabilities in Prisma Access Browser
• Multiple vulnerabilities in Google ChromeOS LTS