Windows
CVE-2026-23570
MEDIUM
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
A missing validation of a user-controlled value in the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to tamper with log timestamps via crafted UDP Sync command. This could result in forged or nonsensical datetime prefixes and compromising log integrity and forensic correlation.
AnalysisAI
Log timestamp tampering in TeamViewer DEX Client versions prior to 26.1 allows adjacent network attackers to inject malicious UDP Sync commands that corrupt event timestamps, undermining log integrity and forensic investigation capabilities. This input validation flaw affects Windows deployments of the NomadBranch service and could enable attackers to obscure the timeline of malicious activities or create misleading audit trails. No patch is currently available for this medium-severity vulnerability.
Technical ContextAI
Classified as CWE-20 (Improper Input Validation). Affects Digital Employee Experience. A missing validation of a user-controlled value in the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to tamper with log timestamps via crafted UDP Sync command. This could result in forged or nonsensical datetime prefixes and compromising log integrity and forensic correlation.
RemediationAI
Monitor vendor advisories for a patch.
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External POC / Exploit Code
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