What is CVE-2024-38209?

CVE-2024-38209 is a high-severity vulnerability in Microsoft Edge Chromium, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 7.8/10. Published 2024-08-22.

How severe is CVE-2024-38209?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Microsoft Edge Chromium

CVE-2024-38209

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Published 2024-08-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.5th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Microsoft Edge Chromium
Microsoft Edge (Chromium-Based) — versions 1.0.0

Weakness classification (CWE)

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

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38209 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2024-38209?: CVE-2024-38209 is a high-severity vulnerability in Microsoft Edge Chromium, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 7.8/10. Published 2024-08-22.
How severe is CVE-2024-38209?: High severity. CVSS v3 base score is 7.8 out of 10.