CVE-2026-66798

No fix known EPSS <1%CVSS 4.3

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

Published 2026-08-28 · CVE record · OSV

Products: Microsoft Edge (Chromium-based), Microsoft Edge for Android, Microsoft Edge for iOS, Microsoft Edge for Linux, Microsoft Edge for MAC, Microsoft Edge for Windows