# Microsoft Edge Dev 142.0.3558.0

Microsoft Edge Dev 142.0.3558.0, released September 15, 2025, fixes 12 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-142.0.3558.0
- Platform: Windows apps
- Released: Sep 15, 2025
- Priority: High (Closes CVE-2025-11756, high severity)
- CVEs: 12, 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- Superseded by: [Microsoft Edge Dev 159.0.4378.0](https://patchblox.com/security/data/product/windows-app/microsoft-edge-dev.md), the latest version, which also fixes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) |  | 142.0.3558.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-11756](https://patchblox.com/security/data/cve/CVE-2025-11756.md) | High | Chromium: CVE-2025-11756 Use after free in Safe Browsing | 8.8 | 0.0042 |  |
| [CVE-2025-11211](https://patchblox.com/security/data/cve/CVE-2025-11211.md) | High | Chromium: CVE-2025-11211 Out of bounds read in Media | 7.5 | 0.0038 |  |
| [CVE-2025-11460](https://patchblox.com/security/data/cve/CVE-2025-11460.md) | High | Chromium: CVE-2025-11460 Use after free in Storage | 8.8 | 0.0034 |  |
| [CVE-2025-11205](https://patchblox.com/security/data/cve/CVE-2025-11205.md) | High | Chromium: CVE-2025-11205 Heap buffer overflow in WebGPU | 8.8 | 0.0032 |  |
| [CVE-2025-11458](https://patchblox.com/security/data/cve/CVE-2025-11458.md) | High | Chromium: CVE-2025-11458 Heap buffer overflow in Sync | 8.1 | 0.0030 |  |
| [CVE-2025-11206](https://patchblox.com/security/data/cve/CVE-2025-11206.md) | High | Chromium: CVE-2025-11206 Heap buffer overflow in Video | 7.1 | 0.0023 |  |
| [CVE-2025-11219](https://patchblox.com/security/data/cve/CVE-2025-11219.md) | Routine | Chromium: CVE-2025-11219 Use after free in V8 | 3.1 | 0.0027 |  |
| [CVE-2025-11207](https://patchblox.com/security/data/cve/CVE-2025-11207.md) | Routine | Chromium: CVE-2025-11207 Side-channel information leakage in Storage | 6.5 | 0.0026 |  |
| [CVE-2025-11215](https://patchblox.com/security/data/cve/CVE-2025-11215.md) | Routine | Chromium: CVE-2025-11215 Off by one error in V8 | 4.3 | 0.0026 |  |
| [CVE-2025-11210](https://patchblox.com/security/data/cve/CVE-2025-11210.md) | Routine | Chromium: CVE-2025-11210 Side-channel information leakage in Tab | 5.4 | 0.0023 |  |
| [CVE-2025-11208](https://patchblox.com/security/data/cve/CVE-2025-11208.md) | Routine | Chromium: CVE-2025-11208 Inappropriate implementation in Media | 6.3 | 0.0023 |  |
| [CVE-2025-11212](https://patchblox.com/security/data/cve/CVE-2025-11212.md) | Routine | Chromium: CVE-2025-11212 Inappropriate implementation in Media | 6.3 | 0.0021 |  |

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Data as of 2026-11-10T13:56:55Z 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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