CVE-2026-50521: Microsoft Edge Chromium

High severity, CVSS 8.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

Affected products

• Microsoft Edge Chromium: before 149.0.4022.67 (fixed in 149.0.4022.67)

Published 2026-07-01. Last modified 2026-07-03.