Google Chromium V8

CVE-2024-4947: Google Chromium V8 Type Confusion Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 20 May 2024, 5 days after the CVE record was published.

How likely is exploitation in the next 30 days?

15.2%

EPSS score, percentile 96.7 of all scored records

How severe?

9.6 Critical

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

Required action (CISA), due 10 Jun 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected: 125.0.6422.60 up to, not including, 125.0.6422.60

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

Required action, set by CISA

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

CISA due date for this action: 10 June 2024.

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

Affected products and versions

As listed in the CVE record.

Google Chrome
Status	Versions
Affected	125.0.6422.60 up to, not including, 125.0.6422.60

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to execute code via a crafted HTML page.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

CISA added CVE-2024-4947 to its Known Exploited Vulnerabilities (KEV) catalog on 20 May 2024.
CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
The due date CISA sets for the required action is 10 Jun 2024.
The CVE record was published on 15 May 2024, 5 days before it was added to KEV.
The CVE record carries a CVSS v3.1 base score of 9.6 (Critical), taken from CISA's enrichment of the record.
FIRST's EPSS model puts the probability of exploitation in the next 30 days at 15.2% (percentile 96.7), as of 28 Oct 2026.
CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

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)

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

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

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

Date	Event
15 May 2024	CVE record published
20 May 2024	Added to CISA KEV
10 Jun 2024	CISA due date for the required action
16 Dec 2025	CVE record last updated

References

More exploited Google vulnerabilities

CVE-2026-111497: Google Brotli Unchecked Return Value Vulnerability (added 27 Oct 2026)
CVE-2026-58704: Google Pixel Improper Authorization Vulnerability (added 16 Sep 2026)
CVE-2026-87491: Google Chromium V8 Out of Bounds Write Vulnerability (added 9 Sep 2026)
CVE-2026-85046: Google Chromium V8 Type Confusion Vulnerability (added 4 Sep 2026)
CVE-2026-11645: Google Chromium V8 Out-of-Bounds Read and Write Vulnerability (added 9 Jun 2026)
CVE-2026-5281: Google Dawn Use-After-Free Vulnerability (added 1 Apr 2026)