What is CVE-2024-7971?

CVE-2024-7971 is a critical-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 9.6/10. Published 2024-08-21.

How severe is CVE-2024-7971?

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

Is CVE-2024-7971 known to be exploited?

Yes. CVE-2024-7971 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-08-26), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.

Vulnerability in Google Chrome

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)

Published 2024-08-21 · 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: 0.211 (97.6th percentile), scored 2026-10-18.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.207 · newest: 0.211 · change: +0.004

Affected products

Google Chrome — versions 128.0.6613.84
Microsoft Edge

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 2024-08-26. 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: 2024-09-16.

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/2024/08/stable-channel-update-for-desktop_21.html (Release Notes)
issues.chromium.org/issues/360700873 (Permissions Required)
af854a3a-2127-422b-91ae-364da2661108 (Exploit, Patch, Third Party Advisory, Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2024-7971?: CVE-2024-7971 is a critical-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 9.6/10. Published 2024-08-21.
How severe is CVE-2024-7971?: Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2024-7971 known to be exploited?: Yes. CVE-2024-7971 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-08-26), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.