Improper access control in Google Chromium - CVE-2026-118318

 

Improper access control in Google Chromium - CVE-2026-118318

Published: October 28, 2026


Vulnerability identifier: #VU158282
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-118318
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass access restrictions and potentially gain unauthorized access to protected resources.

The vulnerability exists due to improper access control in V8 when enforcing access restrictions. A remote attacker can exploit insufficient access checks to potentially access resources without authorization.


Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-118318

Install security update from vendor's website.

Google Chromium - update to 156.0.8078.73
Google Chrome - update to 156.0.8078.73

External References

Related Security Bulletins