CVE-2026-23569: medium-severity vulnerability in TeamViewer DEX
Out-of-bounds read vulnerability in Content Distribution Service
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.4%
An out-of-bounds read vulnerability in the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows a remote attacker to leak stack memory and cause a denial of service via a crafted request. The leaked stack memory could be used to bypass ASLR remotely and facilitate exploitation of other vulnerabilities on the affected system.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
TeamViewer · DEXRelated CVEs — TeamViewer DEX
In the same product, most dangerous first.
CVE-2025-64986HIGHCommand Injection in 1E-Explorer-TachyonCore-DevicesListeningOnAPort InstructionEPSS 1.2%CVE-2025-64988HIGHCommand Injection in 1E-Nomad-GetCmContentLocations InstructionEPSS 1.1%CVE-2025-64987HIGHCommand Injection in 1E-Explorer-TachyonCore-CheckSimpleIoC InstructionEPSS 1.1%CVE-2025-64989HIGHCommand Injection in 1E-Explorer-TachyonCore-FindFileBySizeAndHash InstructionEPSS 1.1%CVE-2025-64993MEDIUMCommand Injection in 1E-ConfigMgrConsoleExtensions InstructionsEPSS 0.9%CVE-2025-64992MEDIUMCommand Injection in 1E-Nomad-PauseNomadJobQueue InstructionEPSS 0.9%