# Microsoft Edge WebView2 Runtime 142.0.3595.53

Microsoft Edge WebView2 Runtime 142.0.3595.53, released October 31, 2025, fixes 18 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-142.0.3595.53
- Platform: Windows apps
- Released: Oct 31, 2025
- Priority: High (Closes CVE-2025-12428, high severity)
- CVEs: 18, 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- Superseded by: [Microsoft Edge WebView2 Runtime 157.0.4341.42](https://patchblox.com/security/data/product/windows-app/microsoft-edge-webview2-runtime.md), the latest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) |  | 142.0.3595.53 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-12428](https://patchblox.com/security/data/cve/CVE-2025-12428.md) | High | Chromium: CVE-2025-12428 Type Confusion in V8 | 8.8 | 0.0808 |  |
| [CVE-2025-12036](https://patchblox.com/security/data/cve/CVE-2025-12036.md) | High | Chromium: CVE-2025-12036 Inappropriate implementation in V8 | 8.8 | 0.0375 |  |
| [CVE-2025-12430](https://patchblox.com/security/data/cve/CVE-2025-12430.md) | High | Chromium: CVE-2025-12430 Object lifecycle issue in Media | 7.5 | 0.0038 |  |
| [CVE-2025-12429](https://patchblox.com/security/data/cve/CVE-2025-12429.md) | High | Chromium: CVE-2025-12429 Inappropriate implementation in V8 | 8.8 | 0.0037 |  |
| [CVE-2025-12432](https://patchblox.com/security/data/cve/CVE-2025-12432.md) | High | Chromium: CVE-2025-12432 Race in V8 | 8.8 | 0.0025 |  |
| [CVE-2025-12437](https://patchblox.com/security/data/cve/CVE-2025-12437.md) | High | Chromium: CVE-2025-12437 Use after free in PageInfo | 7.5 | 0.0024 |  |
| [CVE-2025-60711](https://patchblox.com/security/data/cve/CVE-2025-60711.md) | Routine | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | 6.3 | 0.0041 |  |
| [CVE-2025-12433](https://patchblox.com/security/data/cve/CVE-2025-12433.md) | Routine | Chromium: CVE-2025-12433 Inappropriate implementation in V8 | 4.3 | 0.0030 |  |
| [CVE-2025-12443](https://patchblox.com/security/data/cve/CVE-2025-12443.md) | Routine | Chromium: CVE-2025-12433 Inappropriate implementation in V8 | 4.3 | 0.0023 |  |
| [CVE-2025-12431](https://patchblox.com/security/data/cve/CVE-2025-12431.md) | Routine | Chromium: CVE-2025-12431 Inappropriate implementation in Extensions | 6.5 | 0.0023 |  |
| [CVE-2025-12440](https://patchblox.com/security/data/cve/CVE-2025-12440.md) | Routine | Chromium: CVE-2025-12440 Inappropriate implementation in Autofill | 5.3 | 0.0021 |  |
| [CVE-2025-12441](https://patchblox.com/security/data/cve/CVE-2025-12441.md) | Routine | Chromium: CVE-2025-12441 Out of bounds read in V8 | 4.3 | 0.0021 |  |
| [CVE-2025-12434](https://patchblox.com/security/data/cve/CVE-2025-12434.md) | Routine | Chromium: CVE-2025-12434 Race in Storage | 4.2 | 0.0019 |  |
| [CVE-2025-12444](https://patchblox.com/security/data/cve/CVE-2025-12444.md) | Routine | Chromium: CVE-2025-12444 Incorrect security UI in Fullscreen UI | 4.2 | 0.0019 |  |
| [CVE-2025-12436](https://patchblox.com/security/data/cve/CVE-2025-12436.md) | Routine | Chromium: CVE-2025-12436 Policy bypass in Extensions | 5.9 | 0.0018 |  |
| [CVE-2025-12446](https://patchblox.com/security/data/cve/CVE-2025-12446.md) | Routine | Chromium: CVE-2025-12446 Incorrect security UI in SplitView | 4.2 | 0.0017 |  |
| [CVE-2025-12445](https://patchblox.com/security/data/cve/CVE-2025-12445.md) | Routine | Chromium: CVE-2025-12445 Policy bypass in Extensions | 6.5 | 0.0015 |  |
| [CVE-2025-12439](https://patchblox.com/security/data/cve/CVE-2025-12439.md) | Routine | Chromium: CVE-2025-12439 Inappropriate implementation in App-Bound Encryption | 5.5 | 0.0009 |  |

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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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