# Microsoft Edge WebView2 Runtime 133.0.3065.51

Microsoft Edge WebView2 Runtime 133.0.3065.51, released February 6, 2025, fixes 9 CVEs in Microsoft Edge WebView2 Runtime. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Microsoft Edge WebView2 Runtime is 157.0.4341.42, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/microsoft.edgewebview2runtime-133.0.3065.51
- Platform: Windows apps
- Released: Feb 6, 2025
- Priority: Urgent (Closes CVE-2025-0444, rated Critical)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Superseded by: [Microsoft Edge WebView2 Runtime 157.0.4341.42](https://patchblox.com/security/data/product/windows-app/microsoft-edge-webview2-runtime.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Edge WebView2 Runtime](https://patchblox.com/security/data/product/windows-app/microsoft-edge-webview2-runtime.md) |  | 133.0.3065.51 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-0444](https://patchblox.com/security/data/cve/CVE-2025-0444.md) | Urgent | Chromium: CVE-2025-0444 Use after free in Skia | 9.6 | 0.0046 |  |
| [CVE-2025-21279](https://patchblox.com/security/data/cve/CVE-2025-21279.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0161 |  |
| [CVE-2025-21283](https://patchblox.com/security/data/cve/CVE-2025-21283.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0149 |  |
| [CVE-2025-21408](https://patchblox.com/security/data/cve/CVE-2025-21408.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0132 |  |
| [CVE-2025-21342](https://patchblox.com/security/data/cve/CVE-2025-21342.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.8 | 0.0125 |  |
| [CVE-2025-21404](https://patchblox.com/security/data/cve/CVE-2025-21404.md) | Routine | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 4.3 | 0.0108 |  |
| [CVE-2025-21267](https://patchblox.com/security/data/cve/CVE-2025-21267.md) | Routine | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 4.4 | 0.0057 |  |
| [CVE-2025-0445](https://patchblox.com/security/data/cve/CVE-2025-0445.md) | Routine | Chromium: CVE-2025-0445 Use after free in V8 | 5.4 | 0.0038 |  |
| [CVE-2025-0451](https://patchblox.com/security/data/cve/CVE-2025-0451.md) | Routine | Chromium: CVE-2025-0451 Inappropriate implementation in Extensions API | 6.3 | 0.0037 |  |

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Data as of 2026-11-11T13:47:35Z 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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