Permissions, Privileges, and Access Controls in Google Chromium - CVE-2026-5276

 

Permissions, Privileges, and Access Controls in Google Chromium - CVE-2026-5276

Published: April 1, 2026


Vulnerability identifier: #VU124746
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-2026-5276
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in WebUSB in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.


Affected software

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

How to mitigate CVE-2026-5276

Install update from vendor's website.

Google Chromium - update to 146.0.7680.177
Microsoft Edge - update to 146.0.3856.97
Google Chrome - update to 146.0.7680.177
Chrome OS - update to 144.0.7559.250
cef - addressed in versions 146.0.11^chromium146.0.7680.177-2.fc42, 146.0.11^chromium146.0.7680.177-2.fc43, 146.0.11^chromium146.0.7680.177-2.fc44
chromium - addressed in versions 146.0.7680.177-1.el9, 146.0.7680.177-1.el10_1, 146.0.7680.177-1.el10_2, 146.0.7680.177-1.el10_3, 146.0.7680.177-1.fc42, 146.0.7680.177-1.fc43, 146.0.7680.177-1.fc44, 147.0.7727.55-1.fc42, 147.0.7727.101-1.fc42
chromium (Debian package) - addressed in versions 146.0.7680.177-1~deb12u1, 146.0.7680.177-1~deb13u1

External References

Related Security Bulletins