Microsoft Edge Remote Code Execution Vulnerability

Release Date: 6 Feb 2026

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 and security restriction bypass on the targeted system.

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Impact

• Remote Code Execution
• Security Restriction Bypass

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System / Technologies affected

• Microsoft Edge version prior to 144.0.3719.115

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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 version 144.0.3719.115 or later

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Vulnerability Identifier

• CVE-2026-1861

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Source

• Microsoft Edge

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Related Link

• https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#february-5-2026
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-1861