Microsoft Edge Remote Code Execution Vulnerability

Release Date: 29 Aug 2025

RISK: Medium Risk

TYPE: Clients - Browsers

A vulnerability was identified in Microsoft Edge. A remote attacker could exploit this vulnerability to trigger remote code execution on the targeted system.

 

 

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Impact

• Remote Code Execution

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System / Technologies affected

• Microsoft Edge Stable Channel version prior to 139.0.3405.125

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Solutions

Before installation of the software, please visit the software vendor web-site for more details.

Apply fixes issued by the vendor:

• Update to Microsoft Edge Stable Channel version 139.0.3405.125 or later

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Vulnerability Identifier

• CVE-2025-9478

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Source

• Microsoft Edge

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Related Link

• https://learn.microsoft.com/en-us/deployedge/microsoft-edge-relnotes-security#august-28-2025
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-9478