# Microsoft Edge Dev 131.0.2863.0 Microsoft Edge Dev 131.0.2863.0, released September 28, 2024, fixes 25 CVEs in Microsoft Edge Dev. None of them is reported as exploited. Patch Radar priority: High. The latest Microsoft Edge Dev is 159.0.4378.0, which also fixes every one of these CVEs. - Web page: https://patchblox.com/security/fix/windows-app/microsoft.edge.dev-131.0.2863.0 - Platform: Windows apps - Released: Sep 28, 2024 - Priority: High (Closes CVE-2024-9954, high severity) - CVEs: 25, exploited: 0, on CISA KEV: 0 - Superseded by: [Microsoft Edge Dev 159.0.4378.0](https://patchblox.com/security/data/product/windows-app/microsoft-edge-dev.md), the latest version, which also fixes every CVE listed here ## Applies to | Product | Release | Fixed in | |---|---|---| | [Microsoft Edge Dev](https://patchblox.com/security/data/product/windows-app/microsoft-edge-dev.md) | | 131.0.2863.0 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2024-9954](https://patchblox.com/security/data/cve/CVE-2024-9954.md) | High | Chromium: CVE-2024-9954 Use after free in AI | 8.8 | 0.0529 | | | [CVE-2024-43566](https://patchblox.com/security/data/cve/CVE-2024-43566.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 9.8 | 0.0106 | | | [CVE-2024-43595](https://patchblox.com/security/data/cve/CVE-2024-43595.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0101 | | | [CVE-2024-43596](https://patchblox.com/security/data/cve/CVE-2024-43596.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0101 | | | [CVE-2024-9955](https://patchblox.com/security/data/cve/CVE-2024-9955.md) | High | Chromium: CVE-2024-9955 Use after free in Web Authentication | 8.8 | 0.0097 | | | [CVE-2024-43587](https://patchblox.com/security/data/cve/CVE-2024-43587.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.1 | 0.0089 | | | [CVE-2024-10487](https://patchblox.com/security/data/cve/CVE-2024-10487.md) | High | Chromium: CVE-2024-10487: Out of bounds write in Dawn | 8.8 | 0.0086 | | | [CVE-2024-43578](https://patchblox.com/security/data/cve/CVE-2024-43578.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.3 | 0.0076 | | | [CVE-2024-43579](https://patchblox.com/security/data/cve/CVE-2024-43579.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.3 | 0.0076 | | | [CVE-2024-10230](https://patchblox.com/security/data/cve/CVE-2024-10230.md) | High | Chromium: CVE -2024-10230 Type Confusion in V8 | 8.8 | 0.0068 | | | [CVE-2024-10827](https://patchblox.com/security/data/cve/CVE-2024-10827.md) | High | Chromium: CVE-2024-10827 Use after free in Serial | 8.8 | 0.0067 | | | [CVE-2024-10488](https://patchblox.com/security/data/cve/CVE-2024-10488.md) | High | Chromium: CVE-2024-10488 Use after free in WebRTC | 8.8 | 0.0061 | | | [CVE-2024-10229](https://patchblox.com/security/data/cve/CVE-2024-10229.md) | High | Chromium: CVE -2024-10229 Inappropriate implementation in Extensions | 8.1 | 0.0053 | | | [CVE-2024-10231](https://patchblox.com/security/data/cve/CVE-2024-10231.md) | High | Chromium: CVE -2024-10231 Type Confusion in V8 | 8.8 | 0.0052 | | | [CVE-2024-9965](https://patchblox.com/security/data/cve/CVE-2024-9965.md) | High | Chromium: CVE-2024-9965 Insufficient data validation in DevTools | 8.8 | 0.0049 | | | [CVE-2024-9960](https://patchblox.com/security/data/cve/CVE-2024-9960.md) | High | Chromium: CVE-2024-9960 Use after free in Dawn | 7.5 | 0.0047 | | | [CVE-2024-9959](https://patchblox.com/security/data/cve/CVE-2024-9959.md) | High | Chromium: CVE-2024-9959 Use after free in DevTools | 8.8 | 0.0040 | | | [CVE-2024-49023](https://patchblox.com/security/data/cve/CVE-2024-49023.md) | Routine | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 5.9 | 0.0054 | | | [CVE-2024-43577](https://patchblox.com/security/data/cve/CVE-2024-43577.md) | Routine | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 4.3 | 0.0049 | | | [CVE-2024-43580](https://patchblox.com/security/data/cve/CVE-2024-43580.md) | Routine | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 5.4 | 0.0041 | | | [CVE-2024-9966](https://patchblox.com/security/data/cve/CVE-2024-9966.md) | Routine | Chromium: CVE-2024-9966 Inappropriate implementation in Navigations | 5.3 | 0.0039 | | | [CVE-2024-9958](https://patchblox.com/security/data/cve/CVE-2024-9958.md) | Routine | Chromium: CVE-2024-9958 Inappropriate implementation in PictureInPicture | 4.3 | 0.0034 | | | [CVE-2024-9962](https://patchblox.com/security/data/cve/CVE-2024-9962.md) | Routine | Chromium: CVE-2024-9962 Inappropriate implementation in Permissions | 4.3 | 0.0034 | | | [CVE-2024-9963](https://patchblox.com/security/data/cve/CVE-2024-9963.md) | Routine | Chromium: CVE-2024-9963 Insufficient data validation in Downloads | 4.3 | 0.0032 | | | [CVE-2024-9964](https://patchblox.com/security/data/cve/CVE-2024-9964.md) | Routine | Chromium: CVE-2024-9964 Inappropriate implementation in Payments | 4.3 | 0.0031 | | --- Data as of 2026-11-10T07:50:38Z UTC. 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