Vulnerability in TeamViewer DEX Client's Content Distribution Service
CVE-2026-23564

6.5MEDIUM

Key Information:

Vendor

Teamviewer

Status
Dex
Vendor
CVE Published:
29 January 2026

What is CVE-2026-23564?

A vulnerability in the TeamViewer DEX Client's Content Distribution Service (NomadBranch.exe) allows attackers on an adjacent network to exploit unencrypted UDP traffic. This flaw exposes sensitive information, risking data confidentiality and security for users operating versions prior to 26.1 for Windows.

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Deploy the Patch

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:
High
Integrity:
None
Availability:
High
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
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