Description

An integer underflow in the UDP command handler of the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to trigger a heap-based buffer overflow and cause a denial-of-service (service crash) via specially crafted UDP packets.

INFO

Published Date :

2026-01-29T08:47:13.169Z

Last Modified :

2026-01-29T16:44:12.331Z

Source :

TV
AFFECTED PRODUCTS

The following products are affected by CVE-2026-23567 vulnerability.

Vendors Products
Microsoft
  • Windows
Teamviewer
  • Dex
  • Digital Employee Experience
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-23567.

URL Resource
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1001/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact