Input validation error in Google Chromium - CVE-2026-121141

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Main Vulnerability Database Vulnerabilities #VU159236

Input validation error in Google Chromium - CVE-2026-121141

Published: November 4, 2026


Vulnerability identifier: #VU159236
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-121141
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to insufficient validation of user-supplied input in Editing in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.


Affected software

Google Chromium
Google Chrome
Chrome OS

How to mitigate CVE-2026-121141

Install update from vendor's website.

Google Chromium - update to 157.0.8103.38
Google Chrome - update to 157.0.8103.38
Chrome OS - update to 156.0.8078.93

External References

Related Security Bulletins