# Microsoft Edge 146.0.3856.72 Microsoft Edge 146.0.3856.72, released March 20, 2026, fixes 24 CVEs in Microsoft Edge. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Microsoft Edge is 156.0.4314.58, which also fixes every one of these CVEs. - Web page: https://patchblox.com/security/fix/windows-app/microsoft.edge-146.0.3856.72 - Platform: Windows apps - Released: Mar 20, 2026 - Priority: Urgent (Closes CVE-2026-4448, rated Critical) - CVEs: 24, exploited: 0, on CISA KEV: 0 - Superseded by: [Microsoft Edge 156.0.4314.58](https://patchblox.com/security/data/product/windows-app/microsoft-edge.md), the latest version, which also fixes every CVE listed here ## Applies to | Product | Release | Fixed in | |---|---|---| | [Microsoft Edge](https://patchblox.com/security/data/product/windows-app/microsoft-edge.md) | | 146.0.3856.72 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2026-4448](https://patchblox.com/security/data/cve/CVE-2026-4448.md) | Urgent | Chromium: CVE-2026-4448 Heap buffer overflow in ANGLE | 9.6 | 0.0030 | | | [CVE-2026-4460](https://patchblox.com/security/data/cve/CVE-2026-4460.md) | Urgent | Chromium: CVE-2026-4460 Out of bounds read in Skia | 9.6 | 0.0028 | | | [CVE-2026-4464](https://patchblox.com/security/data/cve/CVE-2026-4464.md) | Urgent | Chromium: CVE-2026-4464 Integer overflow in ANGLE | 9.6 | 0.0028 | | | [CVE-2026-4452](https://patchblox.com/security/data/cve/CVE-2026-4452.md) | Urgent | Chromium: CVE-2026-4452 Integer overflow in ANGLE | 9.6 | 0.0026 | | | [CVE-2026-4443](https://patchblox.com/security/data/cve/CVE-2026-4443.md) | High | Chromium: CVE-2026-4443 Heap buffer overflow in WebAudio | 8.8 | 0.0043 | | | [CVE-2026-4447](https://patchblox.com/security/data/cve/CVE-2026-4447.md) | High | Chromium: CVE-2026-4447 Inappropriate implementation in V8 | 8.8 | 0.0037 | | | [CVE-2026-4457](https://patchblox.com/security/data/cve/CVE-2026-4457.md) | High | Chromium: CVE-2026-4457 Type Confusion in V8 | 8.8 | 0.0037 | | | [CVE-2026-4440](https://patchblox.com/security/data/cve/CVE-2026-4440.md) | High | Chromium: CVE-2026-4440 Out of bounds read and write in WebGL | 8.8 | 0.0034 | | | [CVE-2026-4461](https://patchblox.com/security/data/cve/CVE-2026-4461.md) | High | Chromium: CVE-2026-4461 Inappropriate implementation in V8 | 8.8 | 0.0033 | | | [CVE-2026-4441](https://patchblox.com/security/data/cve/CVE-2026-4441.md) | High | Chromium: CVE-2026-4441 Use after free in Base | 8.8 | 0.0033 | | | [CVE-2026-4463](https://patchblox.com/security/data/cve/CVE-2026-4463.md) | High | Chromium: CVE-2026-4463 Heap buffer overflow in WebRTC | 8.8 | 0.0031 | | | [CVE-2026-4444](https://patchblox.com/security/data/cve/CVE-2026-4444.md) | High | Chromium: CVE-2026-4444 Stack buffer overflow in WebRTC | 8.8 | 0.0030 | | | [CVE-2026-4446](https://patchblox.com/security/data/cve/CVE-2026-4446.md) | High | Chromium: CVE-2026-4446 Use after free in WebRTC | 8.8 | 0.0029 | | | [CVE-2026-4450](https://patchblox.com/security/data/cve/CVE-2026-4450.md) | High | Chromium: CVE-2026-4450 Out of bounds write in V8 | 8.8 | 0.0029 | | | [CVE-2026-4459](https://patchblox.com/security/data/cve/CVE-2026-4459.md) | High | Chromium: CVE-2026-4459 Out of bounds read and write in WebAudio | 8.8 | 0.0029 | | | [CVE-2026-4442](https://patchblox.com/security/data/cve/CVE-2026-4442.md) | High | Chromium: CVE-2026-4442 Heap buffer overflow in CSS | 8.8 | 0.0028 | | | [CVE-2026-4445](https://patchblox.com/security/data/cve/CVE-2026-4445.md) | High | Chromium: CVE-2026-4445 Use after free in WebRTC | 8.8 | 0.0026 | | | [CVE-2026-4449](https://patchblox.com/security/data/cve/CVE-2026-4449.md) | High | Chromium: CVE-2026-4449 Use after free in Blink | 8.8 | 0.0026 | | | [CVE-2026-4451](https://patchblox.com/security/data/cve/CVE-2026-4451.md) | High | Chromium: CVE-2026-4451 Insufficient validation of untrusted input in Navigation | 8.8 | 0.0026 | | | [CVE-2026-4454](https://patchblox.com/security/data/cve/CVE-2026-4454.md) | High | Chromium: CVE-2026-4454 Use after free in Network | 8.8 | 0.0026 | | | [CVE-2026-4456](https://patchblox.com/security/data/cve/CVE-2026-4456.md) | High | Chromium: CVE-2026-4456 Use after free in Digital Credentials API | 8.8 | 0.0026 | | | [CVE-2026-4462](https://patchblox.com/security/data/cve/CVE-2026-4462.md) | High | Chromium: CVE-2026-4462 Out of bounds read in Blink | 8.8 | 0.0026 | | | [CVE-2026-4455](https://patchblox.com/security/data/cve/CVE-2026-4455.md) | High | Chromium: CVE-2026-4455 Heap buffer overflow in PDFium | 8.8 | 0.0026 | | | [CVE-2026-4458](https://patchblox.com/security/data/cve/CVE-2026-4458.md) | High | Chromium: CVE-2026-4458 Use after free in Extensions | 8.8 | 0.0020 | | --- Data as of 2026-11-11T07:45:43Z UTC. 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