Microsoft Edge 146.0.3856.84
Microsoft Edge 146.0.3856.84, released March 26, 2026, fixes 8 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: High. The latest Microsoft Edge is 156.0.4314.58, which also fixes every one of these CVEs.
Superseded. The latest Microsoft Edge is 156.0.4314.58, which also fixes every CVE on this page. Install that instead.
Priority of the 8 CVEs
Applies to
| Product | Version |
|---|---|
| Microsoft Edge | 146.0.3856.84 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-4673 | Chromium: CVE-2026-4673 Heap buffer overflow in WebAudio | 8.8 | 0.0051 | None reported |
| High | CVE-2026-4674 | Chromium: CVE-2026-4674 Out of bounds read in CSS | 8.8 | 0.0046 | None reported |
| High | CVE-2026-4677 | Chromium: CVE-2026-4677 Out of bounds read in WebAudio | 8.8 | 0.0046 | None reported |
| High | CVE-2026-4680 | Chromium: CVE-2026-4680 Use after free in FedCM | 8.8 | 0.0043 | None reported |
| High | CVE-2026-4678 | Chromium: CVE-2026-4678 Use after free in WebGPU | 8.8 | 0.0040 | None reported |
| High | CVE-2026-4675 | Chromium: CVE-2026-4675 Heap buffer overflow in WebGL | 8.8 | 0.0039 | None reported |
| High | CVE-2026-4676 | Chromium: CVE-2026-4676 Use after free in Dawn | 8.8 | 0.0037 | None reported |
| High | CVE-2026-4679 | Chromium: CVE-2026-4679 Integer overflow in Fonts | 8.8 | 0.0035 | None reported |
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