Improper access control in Google Chromium - CVE-2026-79228

 

Improper access control in Google Chromium - CVE-2026-79228

Published: August 26, 2026


Vulnerability identifier: #VU145573
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-79228
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authorization restrictions.

The vulnerability exists due to improper access control in SiteIsolation when rendering content. A remote attacker can cause the browser to process crafted web content to bypass authorization restrictions.

User interaction is required to visit or render crafted content.


Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-79228

Install security update from vendor's website.

Google Chromium - update to 152.0.7977.64
Google Chrome - addressed in versions 151.0.7922.175, 152.0.7977.64

External References

Related Security Bulletins