Improperly implemented security check for standard in Google Chromium - CVE-2026-7909

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Main Vulnerability Database Vulnerabilities #VU130302

Improperly implemented security check for standard in Google Chromium - CVE-2026-7909

Published: May 7, 2026


Vulnerability identifier: #VU130302
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-7909
CWE-ID: CWE-358
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect implementation in ServiceWorker in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.


Affected software

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

How to mitigate CVE-2026-7909

Install update from vendor's website.

Google Chromium - update to 148.0.7778.96
Microsoft Edge - update to 148.0.3967.54
Google Chrome - update to 148.0.7778.96
chromium - addressed in versions 148.0.7778.96-1.el9, 148.0.7778.96-1.el10_1, 148.0.7778.96-1.el10_2, 148.0.7778.96-1.el10_3, 148.0.7778.96-1.fc42, 148.0.7778.96-1.fc43, 148.0.7778.96-1.fc44, 148.0.7778.167-1.fc42, 148.0.7778.167-1.fc43, 148.0.7778.167-1.fc44, 148.0.7778.178-1.fc42, 148.0.7778.178-1.fc43
chromium (Debian package) - addressed in versions 148.0.7778.96-1~deb12u1, 148.0.7778.96-1~deb13u1

External References

Related Security Bulletins