What is CVE-2023-36008?

CVE-2023-36008 is a medium-severity vulnerability in Microsoft Edge Chromium, classified under Use After Free. CVSS score: 6.6/10. Published 2023-11-16.

How severe is CVE-2023-36008?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Use After Free in Microsoft Edge Chromium

CVE-2023-36008

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Vulnerability class: Use-After-Free

Published 2023-11-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (46.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

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

Weakness classification (CWE)

CWE-416 — Use After Free

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36008 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-36008?: CVE-2023-36008 is a medium-severity vulnerability in Microsoft Edge Chromium, classified under Use After Free. CVSS score: 6.6/10. Published 2023-11-16.
How severe is CVE-2023-36008?: Medium severity. CVSS v3 base score is 6.6 out of 10.