CVE-2022-4262: Google Chromium V8 Type Confusion Vulnerability

CVE-2022-4262 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-12-05

A type confusion vulnerability in the Google Chromium V8 engine allows a remote attacker to exploit heap corruption via a specially crafted HTML page. This flaw was reported as being exploited in the wild at the time of discovery.

Technologies: Google Chromium V8. Vendors: Google.

Quick answers

Is CVE-2022-4262 exploited in the wild?
Yes. CVE-2022-4262 is known to be exploited in the wild, first recorded on 5 December 2022. Treat it as urgent.
How severe is CVE-2022-4262?
Critical severity, with a CVSS score of 8.8, published 5 December 2022.
Which products and versions are affected?
Google Chrome prior to 108.0.5359.94; Google V8 Engine; Microsoft Edge; Opera Opera.
Is there a fix for CVE-2022-4262?
A patch was published on 2022-12-02: Fixed in Chrome version 108.0.5359.94 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2022-4262 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2022-4262?
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 108.0.5359.94
  • Google V8 Engine
  • Microsoft Edge
  • Opera Opera

Timeline

  • 2022-12-02: disclosed: NVD Published Date
  • 2022-12-05: kev added: Date added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-12-02: patched: Fixed in Chrome version 108.0.5359.94
  • 2022-12-05: exploited: Reported as exploited in the wild in the advisory

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