CVE-2024-4947
Google Chromium V8 Type Confusion Vulnerability
- Published
- May 15, 2024
- Updated
- Dec 16, 2025
- Assigning CNA
- Chrome
- Evidence observed
- May 20, 2024
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 96.7%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
Type Confusion in V8 in Google Chrome prior to 125.0.6422.60 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Sources
3A in-the-wild V8 type confusion bug.
Educational proof-of-concept for CVE-2024-4947, a V8 Maglev type confusion, demonstrating a full chain from trigger to arbitrary code execution on a non-sandboxed d8 build.
Proof-of-concept and technical analysis for CVE-2026-85046, a V8 type confusion in inline Array.prototype.sort, including root cause, patch diff, and exploitation chain for Chrome < 152.0.7977.82.
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