What is CVE-2026-65804?

CVE-2026-65804 is a medium-severity vulnerability in Microsoft Edge (Chromium-based), classified under Code Injection. CVSS score: 6.1/10. Published 2026-08-04.

How severe is CVE-2026-65804?

Medium severity. CVSS v3 base score is 6.1 out of 10.

RCE in Microsoft Edge (Chromium-based)

CVE-2026-65804

Improper control of generation of code ('code injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Microsoft Edge (Chromium-based) — versions 1.0.0.0

Weakness classification (CWE)

CWE-94 — Code Injection

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-65804?: CVE-2026-65804 is a medium-severity vulnerability in Microsoft Edge (Chromium-based), classified under Code Injection. CVSS score: 6.1/10. Published 2026-08-04.
How severe is CVE-2026-65804?: Medium severity. CVSS v3 base score is 6.1 out of 10.