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CVE-2026-4458 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 20, 2026

Google Chrome - Use After Free

Published: March 20, 2026Updated: March 20, 2026Remote Exploitable

Overview

Google Chrome < 146.0.7680.153 contains a use after free vulnerability in Extensions, caused by heap corruption via crafted Chrome Extension, letting attackers exploit heap corruption after convincing users to install malicious extensions.

Severity & Score

Severity: High

CVSS Score: 8.8

Impact

Attackers can exploit heap corruption to execute arbitrary code or crash the browser, potentially compromising user security.

Mitigation

Update to version 146.0.7680.153 or later.

References

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html
https://issues.chromium.org/issues/489619753

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2026-4458
Severity: High
CVSS Score: 8.8
Type: use_after_free
Status: confirmed

CWE

CWE-416

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H