CVE-2026-4447: Google Chrome V8 inappropriate implementation code execution

CVE-2026-4447 · Severity: high · CVSS 8.8 · Published 2026-03-20

A vulnerability in Google Chrome's V8 engine could allow a remote attacker to execute malicious code on a user's computer. This occurs when a user visits a specially crafted website, potentially leading to unauthorized access to data or full system compromise within the browser's security boundaries. Users are advised to update to the latest version of Chrome to mitigate this risk.

Quick answers

Is CVE-2026-4447 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-4447 being exploited in the wild.
How severe is CVE-2026-4447?
High severity, with a CVSS score of 8.8, published 20 March 2026.
Which products and versions are affected?
Google Chrome prior to 146.0.7680.153.
Is there a fix for CVE-2026-4447?
A patch was published on 2026-03-18: Fixed in Chrome version 146.0.7680.153/154 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-4447 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-4447?
Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An inappropriate implementation vulnerability exists in the V8 JavaScript engine component of Google Chrome. A remote, unauthenticated attacker can exploit this flaw by enticing a user to visit a maliciously crafted HTML page. Successful exploitation allows for arbitrary code execution within the browser's sandbox environment. The vulnerability was addressed in Chrome version 146.0.7680.153 for Windows, Mac, and Linux. This issue is categorized as a protection mechanism failure (CWE-693).

Affected products

  • Google Chrome prior to 146.0.7680.153

Timeline

  • 2026-02-23: disclosed: Reported by researcher Erge
  • 2026-03-18: patched: Fixed in Chrome version 146.0.7680.153/154
  • 2026-03-20: advisory: NVD publication date

References

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