Windows
CVE-2026-23565
MEDIUM
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
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 cause the NomadBranch.exe process to terminate via crafted requests. This can result in a denial-of-service condition of the Content Distribution Service.
AnalysisAI
TeamViewer DEX Client versions prior to 26.1 contain a null pointer dereference in the NomadBranch.exe Content Distribution Service that allows adjacent network attackers to crash the process without authentication. An attacker can exploit this vulnerability to disable the Content Distribution Service, causing a denial-of-service condition on affected Windows systems. No patch is currently available.
Technical ContextAI
Classified as CWE-476 (NULL Pointer Dereference). Affects Digital Employee Experience. 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 cause the NomadBranch.exe process to terminate via crafted requests. This can result in a denial-of-service condition of the Content Distribution Service.
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-476 – NULL Pointer Dereference
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External POC / Exploit Code
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