CVE-2026-23565: Denial-of-Service in Content Distribution Service

Published Jan 29, 2026
·
Updated

A vulnerability in TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an attacker on the adjacent network to cause the NomadBranch.exe process to terminate via crafted requests. This can result in a denial-of-service condition of the Content Distribution Service.

Affected Software

3 affected components
TeamViewer TeamViewer DEX Client<26.1
All of the following
TeamViewer Digital Employee Experience<26.1
Microsoft Windows

Remediation

Information

Update the TeamViewer DEX Client (1E Client) to the latest available version.

Event History

Jan 29, 2026
CVE Published
via MITRE·08:44 AM
Data Sourced
via MITRE·08:44 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-23565?

CVE-2026-23565 has a Denial-of-Service severity that allows an attacker to terminate the NomadBranch.exe process.

2

How do I fix CVE-2026-23565?

To mitigate CVE-2026-23565, upgrade to TeamViewer DEX Client version 26.1 or later.

3

Who is affected by CVE-2026-23565?

CVE-2026-23565 affects users of TeamViewer DEX Client prior to version 26.1 on Windows.

4

What is the primary impact of CVE-2026-23565?

The primary impact of CVE-2026-23565 is the potential for Denial-of-Service on the affected system.

5

How can an attacker exploit CVE-2026-23565?

An attacker can exploit CVE-2026-23565 by sending crafted requests to the NomadBranch.exe process on an adjacent network.

Contact

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