# Microsoft Edge Dev 139.0.3405.13

Microsoft Edge Dev 139.0.3405.13, released July 3, 2025, fixes 6 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-139.0.3405.13
- Platform: Windows apps
- Released: Jul 3, 2025
- Priority: High (Closes CVE-2026-87612, high severity)
- CVEs: 6, 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- Superseded by: [Microsoft Edge Dev 159.0.4378.0](https://patchblox.com/security/data/product/windows-app/microsoft-edge-dev.md), the latest version, which also fixes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) |  | 139.0.3405.13 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-87612](https://patchblox.com/security/data/cve/CVE-2026-87612.md) | High | Type confusion in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High) | 8.8 | 0.0045 |  |
| [CVE-2026-87587](https://patchblox.com/security/data/cve/CVE-2026-87587.md) | High | Use after free in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High) | 8.8 | 0.0041 |  |
| [CVE-2026-87625](https://patchblox.com/security/data/cve/CVE-2026-87625.md) | High | Use after free in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted Chrome extension. (Chromium security severity: Medium) | 8.8 | 0.0038 |  |
| [CVE-2026-87601](https://patchblox.com/security/data/cve/CVE-2026-87601.md) | High | Race condition in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low) | 7.5 | 0.0029 |  |
| [CVE-2026-87564](https://patchblox.com/security/data/cve/CVE-2026-87564.md) | Routine | Type confusion in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: High) | 4.3 | 0.0028 |  |
| [CVE-2026-113196](https://patchblox.com/security/data/cve/CVE-2026-113196.md) | Routine | Chromium CVE-2026-113196: Improper access control | 6.5 | 0.0026 |  |

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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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