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CVE-2024-7971 CISA KEV — actively exploited

Google Chromium V8 Type Confusion Vulnerability

Google — Chrome

Type confusion in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVSS scoreHigh

8.8

EPSS — exploitation probabilityMedium

20.7%

Vector breakdown

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published
Aug 21, 2024
Modified
Oct 21, 2025
Added to KEV
Aug 26, 2024
Federal patch due
Sep 16, 2024

CISA required action

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

Weakness classification

Proof-of-concept & exploitation references

Public repositories whose name or description references CVE-2024-7971, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit — cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.

No public GitHub repositories referencing CVE-2024-7971 were found at last check. Absence here is not proof no exploit exists — see the references below for vendor advisories and write-ups.

References

Frequently asked questions

What is CVE-2024-7971?

Type confusion in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

How severe is CVE-2024-7971?

CVE-2024-7971 has a CVSS base score of 8.8 out of 10 (CVSS 3.1).

Is CVE-2024-7971 actively exploited in the wild?

Yes. CVE-2024-7971 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Aug 26, 2024, meaning CISA has confirmed evidence of active exploitation.

What is the EPSS score for CVE-2024-7971?

20.7% - meaning FIRST.org's EPSS model estimates a 20.7% probability this vulnerability will be exploited in the wild within 30 days (97% percentile among all scored CVEs).

What type of vulnerability is CVE-2024-7971?

CVE-2024-7971 is classified under CWE-843 (CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')).

Cross-checked against

Impactr finds and proves whether CVE-2024-7971 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.