# Microsoft Edge WebView2 Runtime 151.0.4129.101

Microsoft Edge WebView2 Runtime 151.0.4129.101, released August 20, 2026, fixes 10 CVEs in Microsoft Edge WebView2 Runtime. None of them is reported as exploited. Patch Radar priority: High. 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-151.0.4129.101
- Platform: Windows apps
- Released: Aug 20, 2026
- Priority: High (Closes CVE-2026-76034, high severity)
- CVEs: 10, 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- Superseded by: [Microsoft Edge WebView2 Runtime 157.0.4341.42](https://patchblox.com/security/data/product/windows-app/microsoft-edge-webview2-runtime.md), the latest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) |  | 151.0.4129.101 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-76034](https://patchblox.com/security/data/cve/CVE-2026-76034.md) | High | Chromium: CVE-2026-76034 Buffer overflow in WebGL | 8.8 | 0.0057 |  |
| [CVE-2026-76045](https://patchblox.com/security/data/cve/CVE-2026-76045.md) | High | Chromium: CVE-2026-76045 Use after free in WebGL | 8.8 | 0.0052 |  |
| [CVE-2026-76038](https://patchblox.com/security/data/cve/CVE-2026-76038.md) | High | Chromium: CVE-2026-76038 Type confusion in V8 | 8.8 | 0.0045 |  |
| [CVE-2026-76047](https://patchblox.com/security/data/cve/CVE-2026-76047.md) | High | Chromium: CVE-2026-76047 Type confusion in V8 | 8.8 | 0.0045 |  |
| [CVE-2026-76043](https://patchblox.com/security/data/cve/CVE-2026-76043.md) | High | Chromium: CVE-2026-76043 Incorrect calculation in V8 | 8.8 | 0.0041 |  |
| [CVE-2026-76041](https://patchblox.com/security/data/cve/CVE-2026-76041.md) | High | Chromium: CVE-2026-76041 Information leak in Skia | 9.6 | 0.0035 |  |
| [CVE-2026-76044](https://patchblox.com/security/data/cve/CVE-2026-76044.md) | High | Chromium: CVE-2026-76044 Race condition in USB | 8.3 | 0.0032 |  |
| [CVE-2026-76037](https://patchblox.com/security/data/cve/CVE-2026-76037.md) | High | Chromium: CVE-2026-76037 Link following in CredentialProvider | 8.4 | 0.0015 |  |
| [CVE-2026-76042](https://patchblox.com/security/data/cve/CVE-2026-76042.md) | Routine | Chromium: CVE-2026-76042 Use of uninitialized resource in GPU | 3.1 | 0.0025 |  |
| [CVE-2026-76033](https://patchblox.com/security/data/cve/CVE-2026-76033.md) | Routine | Chromium: CVE-2026-76033 Inappropriate implementation in CORS | 4.2 | 0.0022 |  |

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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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