Vulnerability in Microsoft Edge_chromium

CVE-2026-40416

User interface (ui) misrepresentation of critical information in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

EPSS: 0.000 (12.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-40416?
CVE-2026-40416 is a medium-severity vulnerability in Microsoft Edge_chromium, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 4.3/10. Published 2026-05-12.
How severe is CVE-2026-40416?
Medium severity. CVSS v3 base score is 4.3 out of 10.