CVE-2023-4762: Google Chromium V8 Type Confusion Vulnerability

CVE-2023-4762 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2024-02-06

A type confusion vulnerability in the V8 engine of Google Chromium allows a remote attacker to execute arbitrary code via a specially crafted HTML page. This vulnerability has been exploited in the wild and affects multiple Chromium-based browsers including Chrome, Edge, and Opera.

Technologies: Google Chromium V8. Vendors: Google.

Quick answers

Is CVE-2023-4762 exploited in the wild?
Yes. CVE-2023-4762 is known to be exploited in the wild, first recorded on 6 February 2024. Treat it as urgent.
How severe is CVE-2023-4762?
Critical severity, with a CVSS score of 8.8, published 6 February 2024.
Which products and versions are affected?
Google Chrome prior to 116.0.5845.179; Microsoft Edge; Opera Software Opera.
Is there a fix for CVE-2023-4762?
A patch was published on 2023-09-05: Google Chrome version 116.0.5845.179 released to address the vulnerability. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2023-4762 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2023-4762?
Check whether you run Google Chromium V8. 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.

Affected products

  • Google Chrome prior to 116.0.5845.179
  • Microsoft Edge
  • Opera Software Opera

Timeline

  • 2023-09-05: patched: Google Chrome version 116.0.5845.179 released to address the vulnerability.
  • 2024-02-06: disclosed: Vulnerability published and added to CISA KEV catalog.
  • 2024-02-06: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
  • 2024-02-06: exploited: Confirmed as exploited in the wild per CISA KEV entry.

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