# CVE-2025-26643: Microsoft Edge (Chromium-based) Spoofing Vulnerability

CVE-2025-26643 is fixed in 4 products on 1 platform, first by Microsoft Edge Dev 135.0.3140.0, released February 15, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-26643
- Priority: Routine
- CVSS: 5.4 (Low)
- EPSS: 0.0071
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Mar 7, 2025
- Weakness: The UI Performs the Wrong Action
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26643

## Description

<p>The UI performs the wrong action in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Microsoft Edge | 134.0.3124.51 | [Microsoft Edge 134.0.3124.51](https://patchblox.com/security/data/fix/windows-app/microsoft.edge-134.0.3124.51.md) | Mar 5, 2025 |
| Windows apps | Microsoft Edge Beta | 135.0.3179.33 | [Microsoft Edge Beta 135.0.3179.33](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.beta-135.0.3179.33.md) | Mar 24, 2025 |
| Windows apps | Microsoft Edge Dev | 135.0.3140.0 | [Microsoft Edge Dev 135.0.3140.0](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.dev-135.0.3140.0.md) | Feb 15, 2025 |
| Windows apps | Microsoft Edge WebView2 Runtime | 134.0.3124.51 | [Microsoft Edge WebView2 Runtime 134.0.3124.51](https://patchblox.com/security/data/fix/windows-app/microsoft.edgewebview2runtime-134.0.3124.51.md) | Mar 5, 2025 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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