Denial of Service Vulnerability in TeamViewer DEX Client for Windows
CVE-2026-23565

6.5MEDIUM

Key Information:

Vendor

Teamviewer

Status
Dex
Vendor
CVE Published:
29 January 2026

What is CVE-2026-23565?

A vulnerability has been identified in the TeamViewer DEX Client, specifically related to the Content Distribution Service (NomadBranch.exe) prior to version 26.1 for Windows. This flaw allows an attacker on an adjacent network to send crafted requests that can cause the NomadBranch.exe process to terminate unexpectedly. Such an action may lead to a denial-of-service condition, hampering the functionality of the Content Distribution Service and impacting organizational operations reliant on this service.

Affected Version(s)

DEX Windows 0 < 26.1

References

https://www.teamviewer.com/en/resources/trust-center/secu...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Threat Hunt Team of Bank of America
.