CVE-2026-23566

MEDIUM

6.5

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 inject, tamper with, or forge log entries in \Nomad Branch.log via crafted data sent to the UDP network handler. This can impact log integrity and nonrepudiation.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack VectorADJACENT_NETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/29/2026

Last Modified2/11/2026

Sourcenvd

Honeypot Sightings0

Affected Products

microsoft:windowsteamviewer:digital_employee_experience

Weaknesses (CWE)

CWE-20

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1001/(psirt@teamviewer.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.