# CVE-2025-21404

## Summary

- **CVE ID:** CVE-2025-21404
- **Severity:** MEDIUM
- **CVSS Score:** 4.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
- **CWE:** CWE-449
- **Published:** Feb 6, 2025
- **Last Modified:** Mar 12, 2026

## Description

Microsoft Edge (Chromium-based) Spoofing Vulnerability

## Affected Products

- Microsoft — Microsoft Edge (Chromium-based) (1.0.0.0)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21404)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.09%
- **EPSS Percentile:** 63.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._