Improper Authorization in Google Chromium - CVE-2026-125347

 

Improper Authorization in Google Chromium - CVE-2026-125347

Published: November 10, 2026


Vulnerability identifier: #VU164420
CSH Severity: Medium
CVSS v4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-125347
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to incorrect authorization in FileSystem in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and execute arbitrary code.


Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-125347

Install update from vendor's website.

Google Chromium - update to 157.0.8103.50
Google Chrome - addressed in versions 156.0.8078.96, 157.0.8103.50

External References

Related Security Bulletins