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VULNERABILITIES

CVE-2026-23567 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1001/ [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-122Heap-based Buffer Overflow[email protected]

Affected Products

ProductVersions
teamviewer digital employee experience
< 26.1

CPE

  • cpe:2.3:a:teamviewer:digital_employee_experience:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
microsoft windows
All versions

CPE

  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-23567
NVD Published Date:
Jan 29, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-23567 Details - Not Deferred