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Microsoft Security Response CenterCVE-2026-78463

Remote Desktop Client Remote Code Execution Vulnerability

Improper control of generation of code ('code injection') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

Read the vendor bulletin Get alerts for Remote Desktop client for Windows Desktop
8.8CVSS out of 10High severity
Scope

What the vendor says is affected

  • Remote Desktop client for Windows Desktop

Versions the vendor lists as fixed

  • 1.2.7279.0
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. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-78463View CVSS, KEV, EPSS, and threat context
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