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Microsoft Security Response CenterCVE-2026-48561

Microsoft Edge Copilot Remote Code Execution Vulnerability

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.

CriticalCVSS not listedCritical severity
Scope

What the vendor says is affected

  • Microsoft Edge Copilot for Android
  • Microsoft Edge Copilot for IOS
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  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.

Vulnerabilities

CVEs named in this advisory