Type Confusion in Google Chromium - CVE-2026-4457

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Main Vulnerability Database Vulnerabilities #VU124248

Type Confusion in Google Chromium - CVE-2026-4457

Published: March 23, 2026


Vulnerability identifier: #VU124248
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-2026-4457
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
Microsoft Edge
Google Chrome
Debian Linux
Fedora
cef
chromium
chromium (Debian package)

How to mitigate CVE-2026-4457

Install update from vendor's website.

Google Chromium - update to 146.0.7680.153
Microsoft Edge - update to 146.0.3856.72
Google Chrome - update to 146.0.7680.153
cef - addressed in versions 146.0.9^chromium146.0.7680.164-1.fc42, 146.0.9^chromium146.0.7680.164-1.fc43, 146.0.9^chromium146.0.7680.164-1.fc44
chromium - addressed in versions 146.0.7680.153-1.el9, 146.0.7680.153-1.el10_1, 146.0.7680.153-1.el10_2, 146.0.7680.153-1.el10_3, 146.0.7680.153-1.fc42, 146.0.7680.153-1.fc43, 146.0.7680.153-1.fc44, 146.0.7680.164-1.el9, 146.0.7680.164-1.el10_1, 146.0.7680.164-1.fc42
chromium (Debian package) - addressed in versions 146.0.7680.153-1~deb12u1, 146.0.7680.153-1~deb13u1

External References

Related Security Bulletins