CVE-2022-4262
Google Chromium V8 Type Confusion Vulnerability
- High 8.8
- Exploited: added to CISA KEV 5 Dec 2022
Description
Type confusion in V8 in Google Chrome prior to 108.0.5359.94 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
Key facts
- Published
- 2 Dec 2022
- Last changed
- 21 Oct 2025
- Assigned by
- Chrome
- KEV added
- 5 Dec 2022
- KEV fix due
- 26 Dec 2022
- EPSS
- 23.51% likely to be exploited in the next 30 days, higher than 97.834% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 8.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Chrome |
|
Timeline
- 2 Dec 2022 Published
- 5 Dec 2022 CVE-2022-4262 added to CISA KEV
- 5 Dec 2022 Added to the CISA KEV catalogue