# Microsoft Edge WebView2 Runtime 151.0.4129.107

Microsoft Edge WebView2 Runtime 151.0.4129.107, released August 24, 2026, fixes 7 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-151.0.4129.107
- Platform: Windows apps
- Released: Aug 24, 2026
- Priority: High (Closes CVE-2026-76022, high severity)
- CVEs: 7, 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- Superseded by: [Microsoft Edge WebView2 Runtime 157.0.4341.42](https://patchblox.com/security/data/product/windows-app/microsoft-edge-webview2-runtime.md), the latest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) |  | 151.0.4129.107 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-76022](https://patchblox.com/security/data/cve/CVE-2026-76022.md) | High | Chromium CVE-2026-76022:  Buffer overflow in Network | 8.8 | 0.0045 |  |
| [CVE-2026-76023](https://patchblox.com/security/data/cve/CVE-2026-76023.md) | High | Chromium CVE-2026-76023:  Improper resource control in Linux Toolkit Theming | 8.8 | 0.0045 |  |
| [CVE-2026-76021](https://patchblox.com/security/data/cve/CVE-2026-76021.md) | High | Chromium CVE-2026-76021:  Use after free in DOM | 8.8 | 0.0041 |  |
| [CVE-2026-76017](https://patchblox.com/security/data/cve/CVE-2026-76017.md) | High | Chromium CVE-2026-76017:  Use after free in Chromoting | 8.8 | 0.0038 |  |
| [CVE-2026-76018](https://patchblox.com/security/data/cve/CVE-2026-76018.md) | High | Chromium CVE-2026-76018:  Privilege elevation in Import | 8.8 | 0.0038 |  |
| [CVE-2026-76019](https://patchblox.com/security/data/cve/CVE-2026-76019.md) | High | Chromium CVE-2026-76019:  Incorrect authorization in Workers | 8.1 | 0.0034 |  |
| [CVE-2026-77490](https://patchblox.com/security/data/cve/CVE-2026-77490.md) | Routine | Microsoft Edge (Chromium-based) Spoofing Vulnerability | 6.1 | 0.0041 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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