What is CVE-2024-8638?

CVE-2024-8638 is a high-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2024-09-11.

How severe is CVE-2024-8638?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2024-8638 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Google Chrome

CVE-2024-8638

Type Confusion in V8 in Google Chrome prior to 128.0.6613.137 allowed a remote attacker to potentially exploit object corruption via a crafted HTML page. (Chromium security severity: High)

Published 2024-09-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Google Chrome — versions 128.0.6613.137

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

chromereleases.googleblog.com/2024/09/stable-channel-update-for-desktop_10.html (Release Notes)
issues.chromium.org/issues/362539773 (Permissions Required)

Frequently asked questions

What is CVE-2024-8638?: CVE-2024-8638 is a high-severity vulnerability in Google Chrome, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 8.8/10. Published 2024-09-11.
How severe is CVE-2024-8638?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-8638 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.