# Microsoft Edge Dev 141.0.3500.1

Microsoft Edge Dev 141.0.3500.1, released August 19, 2025, fixes 12 CVEs in Microsoft Edge Dev. One of them is being exploited (CVE-2025-10585); 1 on CISA KEV. Patch Radar priority: Patch now. 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-141.0.3500.1
- Platform: Windows apps
- Released: Aug 19, 2025
- Priority: Patch now (Closes CVE-2025-10585, exploited (CISA KEV))
- CVEs: 12, exploited: 1, on CISA KEV: 1
- Superseded by: [Microsoft Edge Dev 159.0.4378.0](https://patchblox.com/security/data/product/windows-app/microsoft-edge-dev.md), the latest version, which also fixes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) |  | 141.0.3500.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-10585](https://patchblox.com/security/data/cve/CVE-2025-10585.md) | Patch now | Chromium: CVE-2025-10585 Type Confusion in V8 | 9.8 | 0.0897 | CISA KEV |
| [CVE-2025-10890](https://patchblox.com/security/data/cve/CVE-2025-10890.md) | Urgent | Chromium: CVE-2025-10890 Side-channel information leakage in V8 | 9.1 | 0.0037 |  |
| [CVE-2025-10891](https://patchblox.com/security/data/cve/CVE-2025-10891.md) | High | Chromium: CVE-2025-10891 Integer overflow in V8 | 8.8 | 0.0868 |  |
| [CVE-2025-10200](https://patchblox.com/security/data/cve/CVE-2025-10200.md) | High | Chromium: CVE-2025-10200 Use after free in Serviceworker | 8.8 | 0.0064 |  |
| [CVE-2025-59251](https://patchblox.com/security/data/cve/CVE-2025-59251.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 7.6 | 0.0053 |  |
| [CVE-2025-9866](https://patchblox.com/security/data/cve/CVE-2025-9866.md) | High | Chromium: CVE-2025-9866 Inappropriate implementation in Extensions | 8.8 | 0.0051 |  |
| [CVE-2025-10501](https://patchblox.com/security/data/cve/CVE-2025-10501.md) | High | Chromium: CVE-2025-10501 Use after free in WebRTC | 8.8 | 0.0034 |  |
| [CVE-2025-10500](https://patchblox.com/security/data/cve/CVE-2025-10500.md) | High | Chromium: CVE-2025-10500 Use after free in Dawn | 8.8 | 0.0032 |  |
| [CVE-2025-10892](https://patchblox.com/security/data/cve/CVE-2025-10892.md) | High | Chromium: CVE-2025-10892 Integer overflow in V8 | 8.8 | 0.0029 |  |
| [CVE-2025-10502](https://patchblox.com/security/data/cve/CVE-2025-10502.md) | High | Chromium: CVE-2025-10502 Heap buffer overflow in ANGLE | 9.6 | 0.0028 |  |
| [CVE-2025-53791](https://patchblox.com/security/data/cve/CVE-2025-53791.md) | Routine | Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability | 4.7 | 0.0041 |  |
| [CVE-2025-47967](https://patchblox.com/security/data/cve/CVE-2025-47967.md) | Routine | Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability | 4.7 | 0.0038 |  |

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Data as of 2026-11-10T20:03:11Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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