Code Injection in Remote Desktop Client

Publication date: 2026-09-08

Last updated on: 2026-09-22

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-22

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-78463

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	remote_desktop_client	to 1.2.7279 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-94	The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

Executive Summary

This is a code injection vulnerability in Microsoft's Remote Desktop Client. It allows an unauthorized attacker to remotely execute arbitrary code on a victim's system by sending specially crafted input over the network.

Impact Analysis

An attacker could exploit this to run malicious code on your computer without needing physical access. This could lead to data theft, installation of malware, or complete system compromise if you use the Remote Desktop Client.

Mitigation Strategies

Apply the latest security updates from Microsoft for the Remote Desktop Client to patch the code injection vulnerability. Monitor Microsoft's update guide for patches and install them promptly.

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