Link following in Google Chromium - CVE-2026-126859

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Main Vulnerability Database Vulnerabilities #VU165970

Link following in Google Chromium - CVE-2026-126859

Published: November 12, 2026


Vulnerability identifier: #VU165970
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-126859
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a link following issue in FileSystem in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and overwrite arbitrary files on the system.


Affected software

Google Chromium
Google Chrome
Chrome OS

How to mitigate CVE-2026-126859

Install update from vendor's website.

Google Chromium - update to 157.0.8103.78
Google Chrome - update to 157.0.8103.78
Chrome OS - update to 150.0.7871.289

External References

Related Security Bulletins