CVE-2019-1220: Microsoft Edge

Medium severity, CVSS 4.3. EPSS: 3.8% chance of exploitation in the next 30 days.

A security feature bypass vulnerability exists when Microsoft Browsers fail to validate the correct Security Zone of requests for specific URLs, aka 'Microsoft Browser Security Feature Bypass Vulnerability'.

Affected products

• Microsoft Edge: affected versions not specified
• Microsoft Internet Explorer: version 9 only; version 10 only; version 11 only

Published 2019-09-11. Last modified 2026-06-17.