# Microsoft Edge Dev 133.0.2992.0

Microsoft Edge Dev 133.0.2992.0, released December 2, 2024, fixes 17 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-133.0.2992.0
- Platform: Windows apps
- Released: Dec 2, 2024
- Priority: High (Closes CVE-2025-0434, high severity)
- CVEs: 17, 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- Superseded by: [Microsoft Edge Dev 159.0.4378.0](https://patchblox.com/security/data/product/windows-app/microsoft-edge-dev.md), the latest version, which also fixes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) |  | 133.0.2992.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-0434](https://patchblox.com/security/data/cve/CVE-2025-0434.md) | High | Chromium: CVE-2025-0434 Out of bounds memory access in V8 | 8.8 | 0.0596 |  |
| [CVE-2025-0436](https://patchblox.com/security/data/cve/CVE-2025-0436.md) | High | Chromium: CVE-2025-0436 Integer overflow in Skia | 9.6 | 0.0058 |  |
| [CVE-2025-0612](https://patchblox.com/security/data/cve/CVE-2025-0612.md) | High | Chromium: CVE-2025-0611 Object corruption in V8 | 7.5 | 0.0048 |  |
| [CVE-2025-0438](https://patchblox.com/security/data/cve/CVE-2025-0438.md) | High | Chromium: CVE-2025-0438 Stack buffer overflow in Tracing | 8.8 | 0.0046 |  |
| [CVE-2025-0443](https://patchblox.com/security/data/cve/CVE-2025-0443.md) | High | Chromium: CVE-2025-0443 Insufficient data validation in Extensions | 8.8 | 0.0045 |  |
| [CVE-2025-0447](https://patchblox.com/security/data/cve/CVE-2025-0447.md) | High | Chromium: CVE-2025-0447 Inappropriate implementation in Navigation | 8.8 | 0.0045 |  |
| [CVE-2025-0611](https://patchblox.com/security/data/cve/CVE-2025-0611.md) | High | Chromium: CVE-2025-0612 Out of bounds memory access in V8 | 8.2 | 0.0041 |  |
| [CVE-2025-0762](https://patchblox.com/security/data/cve/CVE-2025-0762.md) | High | Chromium: CVE-2025-0762 Use after free in DevTools | 8.8 | 0.0034 |  |
| [CVE-2025-0437](https://patchblox.com/security/data/cve/CVE-2025-0437.md) | High | Chromium: CVE-2025-0437 Out of bounds read in Metrics | 8.8 | 0.0030 |  |
| [CVE-2025-21185](https://patchblox.com/security/data/cve/CVE-2025-21185.md) | Routine | Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability | 6.5 | 0.0083 |  |
| [CVE-2025-0440](https://patchblox.com/security/data/cve/CVE-2025-0440.md) | Routine | Chromium: CVE-2025-0440 Inappropriate implementation in Fullscreen | 6.5 | 0.0042 |  |
| [CVE-2025-21262](https://patchblox.com/security/data/cve/CVE-2025-21262.md) | Routine | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 5.4 | 0.0038 |  |
| [CVE-2025-0441](https://patchblox.com/security/data/cve/CVE-2025-0441.md) | Routine | Chromium: CVE-2025-0441 Inappropriate implementation in Fenced Frames | 6.5 | 0.0037 |  |
| [CVE-2025-0442](https://patchblox.com/security/data/cve/CVE-2025-0442.md) | Routine | Chromium: CVE-2025-0442 Inappropriate implementation in Payments | 6.5 | 0.0033 |  |
| [CVE-2025-0448](https://patchblox.com/security/data/cve/CVE-2025-0448.md) | Routine | Chromium: CVE-2025-0448 Inappropriate implementation in Compositing | 4.3 | 0.0029 |  |
| [CVE-2025-0446](https://patchblox.com/security/data/cve/CVE-2025-0446.md) | Routine | Chromium: CVE-2025-0446 Inappropriate implementation in Extensions | 4.3 | 0.0027 |  |
| [CVE-2025-0439](https://patchblox.com/security/data/cve/CVE-2025-0439.md) | Routine | Chromium: CVE-2025-0439 Race in Frames | 6.5 | 0.0027 |  |

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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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