cve-2026-12444

The cve-2026-12444 tag covers Microsoft’s security response to a vulnerability in Chromium open source code used by Microsoft Edge. Microsoft published the CVE in its Security Update Guide on June 19, 2026, and identified Edge Stable version 149.0.4022.80 as containing the fixes that remove the browser’s exposure. Tagged coverage explains why a CVE associated with Chromium can appear in Microsoft’s guidance and what that shared browser engine means for Windows users and administrators. This page is focused on the relationship between Chromium security updates and Microsoft Edge, with practical attention to keeping the browser on the fixed version.