CVE-2026-58283: Microsoft Edge Chromium

Medium severity, CVSS 6.9. EPSS: 0.4% chance of exploitation in the next 30 days.

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Affected products

• Microsoft Edge Chromium: before 150.0.4078.48 (fixed in 150.0.4078.48)

Published 2026-07-03. Last modified 2026-07-06.