Main Vulnerability Database Vulnerabilities #VU159117

Multiple Interpretations of UI Input in Google Chromium - CVE-2026-121177

Published: November 4, 2026

Vulnerability identifier: #VU159117

CSH Severity: Low

CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-121177

CWE-ID: CWE-450

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to multiple interpretation of UI input in PageInfo in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and perform a spoofing attack.

Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-121177

Install 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