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Microsoft Security Response CenterCVE-2026-48561

Microsoft Edge Copilot Remote Code Execution Vulnerability

Critical 1 CVE Published Jul 14, 2026 at 7:00 AM UTC

Summary

Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.

Products covered

  • Microsoft Edge Copilot for Android

  • Microsoft Edge Copilot for IOS

Remediation

Release Notes

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.