Main Vulnerability Database Vulnerabilities #VU159111

Improper privilege management in Google Chromium - CVE-2026-121196

Published: November 4, 2026

Vulnerability identifier: #VU159111

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-2026-121196

CWE-ID: CWE-269

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain elevated privileges.

The vulnerability exists due to improper privilege management in the Mobile component of Google Chrome when enforcing privilege boundaries. A remote attacker can exploit this weakness to obtain permissions beyond those intended.

Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-121196

Install security update from vendor's website.

Google Chromium - update to 157.0.8103.38
Google Chrome - update to 157.0.8103.38

External References

Related Security Bulletins