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CVE-2025-49755: Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-12 · updated 2026-06-17
• Weakness: CWE-451

Description

User interface (ui) misrepresentation of critical information in Microsoft Edge for Android allows an unauthorized attacker to perform spoofing over a network.

Affected products

• Microsoft Edge: before 139.0.3405.86 — fixed in 139.0.3405.86
• Microsoft Edge: from 1.0.0 before 139.0.3405.86 — fixed in 139.0.3405.86

How to fix

Upgrade to a fixed version: Microsoft Edge 139.0.3405.86; Microsoft Edge 139.0.3405.86. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49755

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