CVE-2026-70309

5.4 mediumEPSS 0.2%

Medium (5.4) in microsoft edge chromium. EPSS 0.2% chance of exploitation in the next 30 days.

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

Severity

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 11% of CVEs (scores of 2026-10-31)
CWE: CWE-346
Published: 2026-08-28
Modified: 2026-08-31
Record from: the NVD, synced 2026-10-19