Denial of Service in TeamViewer NomadBranch.exe via Network Requests

Publication date: 2026-01-29

Last updated on: 2026-02-11

Assigner: TeamViewer Germany GmbH

Description

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.

CVSS Scores

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Meta Information

Published

2026-01-29

Last Modified

2026-02-11

Generated

2026-07-06

AI Q&A

2026-01-29

EPSS Evaluated

2026-07-05

NVD

CVE-2026-23565

EUVD

EUVD-2026-4983

Affected Vendors & Products

Vendor	Product	Version / Range
teamviewer	digital_employee_experience	to 26.1 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability exists in the TeamViewer DEX Client's Content Distribution Service (NomadBranch.exe) prior to version 26.1 for Windows. An attacker on the adjacent network can send specially crafted requests that cause the NomadBranch.exe process to terminate unexpectedly, leading to a denial-of-service condition for the Content Distribution Service.

Impact Analysis

The vulnerability can cause the Content Distribution Service to become unavailable due to the termination of the NomadBranch.exe process. This results in a denial-of-service condition, potentially disrupting content distribution operations relying on this service.

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