CVE-2026-23567

MediumCVSS 6.5/10Last modified Jun 17, 2026

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 3.1 6.5/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 29, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-23567: Medium severity, CVSS 6.5 | Vulnix