# Microsoft Edge WebView2 Runtime 149.0.4022.69

Microsoft Edge WebView2 Runtime 149.0.4022.69, released June 12, 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-149.0.4022.69
- Platform: Windows apps
- Released: Jun 12, 2026
- Priority: High (Closes CVE-2026-50521, 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- Superseded by: [Microsoft Edge WebView2 Runtime 157.0.4341.42](https://patchblox.com/security/data/product/windows-app/microsoft-edge-webview2-runtime.md), the latest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) |  | 149.0.4022.69 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-50521](https://patchblox.com/security/data/cve/CVE-2026-50521.md) | High | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 8.3 | 0.0082 |  |
| [CVE-2026-12007](https://patchblox.com/security/data/cve/CVE-2026-12007.md) | High | Chromium: CVE-2026-12007 Use after free  Core | 8.8 | 0.0029 |  |
| [CVE-2026-12008](https://patchblox.com/security/data/cve/CVE-2026-12008.md) | High | Chromium: CVE-2026-12008 Use after free  DigitalCredentials | 8.3 | 0.0025 |  |
| [CVE-2026-12011](https://patchblox.com/security/data/cve/CVE-2026-12011.md) | High | Chromium: CVE-2026-12011 Use after free  WebMIDI | 8.3 | 0.0025 |  |
| [CVE-2026-12016](https://patchblox.com/security/data/cve/CVE-2026-12016.md) | High | Chromium: CVE-2026-12016 Insufficient validation of untrusted input  DevTools | 8.3 | 0.0023 |  |
| [CVE-2026-12012](https://patchblox.com/security/data/cve/CVE-2026-12012.md) | High | Chromium: CVE-2026-12012 Use after free  Network | 8.1 | 0.0023 |  |
| [CVE-2026-12014](https://patchblox.com/security/data/cve/CVE-2026-12014.md) | High | Chromium: CVE-2026-12014 Use after free  Cast | 8.3 | 0.0017 |  |
| [CVE-2026-12018](https://patchblox.com/security/data/cve/CVE-2026-12018.md) | High | Chromium: CVE-2026-12018 Inappropriate implementation  Mojo | 8.8 | 0.0016 |  |
| [CVE-2026-12015](https://patchblox.com/security/data/cve/CVE-2026-12015.md) | Routine | Chromium: CVE-2026-12015 Use after free  Autofill | 5.3 | 0.0023 |  |
| [CVE-2026-12017](https://patchblox.com/security/data/cve/CVE-2026-12017.md) | Routine | Chromium: CVE-2026-12017 Insufficient validation of untrusted input  Extensions | 3.1 | 0.0021 |  |

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Data as of 2026-11-11T01:43:54Z 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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