# CVE-2022-3723: Google Chromium V8 Type Confusion Vulnerability

Source: https://junglewise.ai/threats/cve-2022-3723-google-chromium-v8-type-confusion-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-10-28. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2022-3723 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2022-10-28

A type confusion vulnerability exists in the V8 engine of Google Chromium. A remote attacker can exploit this via a crafted HTML page to cause heap corruption, potentially leading to arbitrary code execution.

Technologies: [Google Chromium V8](https://junglewise.ai/threats/technologies/chromium-v8). Vendors: [Google](https://junglewise.ai/threats/vendors/google).

## Quick answers

**Is CVE-2022-3723 exploited in the wild?** Yes. CVE-2022-3723 is known to be exploited in the wild, first recorded on 28 October 2022. Treat it as urgent.

**How severe is CVE-2022-3723?** Critical severity, with a CVSS score of 8.8, published 28 October 2022.

**Which products and versions are affected?** Google Chrome prior to 107.0.5304.87; Google Chromium; Microsoft Edge; Opera Software Opera.

**Is there a fix for CVE-2022-3723?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2022-3723 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2022-3723?** 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 107.0.5304.87
- Google Chromium
- Microsoft Edge
- Opera Software Opera

## Timeline

- 2022-10-28: disclosed
- 2022-10-28: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-10-28: exploited: Reported as exploited in the wild at time of publication.
- 2022-11-01: advisory: NVD Published Date

## Related threats

- [Google Chromium V8 out-of-bounds write in JavaScript engine](https://junglewise.ai/threats/cve-2026-87491-google-chromium-v8-out-of-bounds-write-in-javascript-engine)
- [Google Chromium V8 type confusion vulnerability](https://junglewise.ai/threats/cve-2026-85046-google-chromium-v8-type-confusion-vulnerability)
- [Google Chrome V8 out of bounds read and write](https://junglewise.ai/threats/cve-2026-11645-google-chrome-v8-out-of-bounds-read-and-write)
- [Google Chromium V8 memory corruption in JavaScript engine](https://junglewise.ai/threats/cve-2026-3910-google-chromium-v8-memory-corruption-in-javascript-engine)
- [Google Chrome type confusion in V8 engine](https://junglewise.ai/threats/cve-2025-13223-google-chrome-type-confusion-in-v8-engine)