Improper access control in Google Chromium - CVE-2026-79107

 

Improper access control in Google Chromium - CVE-2026-79107

Published: August 26, 2026


Vulnerability identifier: #VU145540
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-2026-79107
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 TabGroups when handling browser operations. A remote attacker can perform unauthorized actions to bypass authorization restrictions.

User interaction is required.


Affected software

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

How to mitigate CVE-2026-79107

Install security update from vendor's website.

Google Chromium - update to 152.0.7977.64
Microsoft Edge - update to 152.0.4191.53
Google Chrome - addressed in versions 151.0.7922.175, 152.0.7977.64
chromium (Debian package) - update to 152.0.7977.75-1~deb13u1

External References

Related Security Bulletins