# Microsoft Edge WebView2 Runtime 134.0.3124.93

Microsoft Edge WebView2 Runtime 134.0.3124.93, released March 26, 2025, fixes 2 CVEs in Microsoft Edge WebView2 Runtime. One of them is being exploited (CVE-2025-2783); 1 on CISA KEV. Patch Radar priority: Patch now. 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-134.0.3124.93
- Platform: Windows apps
- Released: Mar 26, 2025
- Priority: Patch now (Closes CVE-2025-2783, exploited (CISA KEV))
- CVEs: 2, exploited: 1, on CISA KEV: 1
- Superseded by: [Microsoft Edge WebView2 Runtime 157.0.4341.42](https://patchblox.com/security/data/product/windows-app/microsoft-edge-webview2-runtime.md), the latest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) |  | 134.0.3124.93 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-2783](https://patchblox.com/security/data/cve/CVE-2025-2783.md) | Patch now | Chromium: CVE-2025-2783 Incorrect handle provided in unspecified circumstances in Mojo on Windows | 8.3 | 0.0924 | CISA KEV |
| [CVE-2025-29834](https://patchblox.com/security/data/cve/CVE-2025-29834.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 7.5 | 0.0065 |  |

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Data as of 2026-11-11T07:45:43Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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