Main Vulnerability Database Vulnerabilities #VU159042

Type Confusion in Google Chromium - CVE-2026-121228

Published: November 4, 2026

Vulnerability identifier: #VU159042

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-121228

CWE-ID: CWE-843

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

Google Chromium
Google Chrome

How to mitigate CVE-2026-121228

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