What is CVE-2024-4947?

CVE-2024-4947 is a critical-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 9.6/10. Published 2024-05-15.

How severe is CVE-2024-4947?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Is CVE-2024-4947 known to be exploited?

Yes. CVE-2024-4947 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-05-20), indicating it is being actively exploited. 11 public proof-of-concept repositories are indexed.

Vulnerability in Google Chrome

CVE-2024-4947

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)

Published 2024-05-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.152 (96.7th percentile), scored 2026-10-18.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.152 · newest: 0.152 · change: 0.000

Affected products

Google Chrome — versions 125.0.6422.60
Fedoraproject Fedora — versions 38, 39, 40

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2024-05-20. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2024-06-10.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_15.html (Vendor Advisory)
issues.chromium.org/issues/340221135 (Exploit, Issue Tracking)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (Mailing List)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2024-4947?: CVE-2024-4947 is a critical-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 9.6/10. Published 2024-05-15.
How severe is CVE-2024-4947?: Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2024-4947 known to be exploited?: Yes. CVE-2024-4947 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-05-20), indicating it is being actively exploited. 11 public proof-of-concept repositories are indexed.