CVE-2026-66316EPSS p10.5%

CVE-2026-66316CVE-2026-66316

microsoft / edge_chromium

Description

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Scoring

CVSS 5.4 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS0.21% probability of exploitation · percentile 10.5% · 2026-10-06T12:00:23Z
Last modified2026-08-06
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.