Incorrect authorization in Google Chromium - CVE-2026-78968

 

Incorrect authorization in Google Chromium - CVE-2026-78968

Published: August 26, 2026


Vulnerability identifier: #VU145685
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-2026-78968
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authorization.

The vulnerability exists due to improper access control in Core when handling browser operations. A remote attacker can trigger the vulnerable functionality to bypass authorization.

User interaction is required.


Affected software

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

How to mitigate CVE-2026-78968

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