CVE-2026-23570

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1001/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

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

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

History

No history.

Information

Published : 2026-01-29 09:16

Updated : 2026-06-17 10:21

NVD link : CVE-2026-23570

Mitre link : CVE-2026-23570

CVE.ORG link : CVE-2026-23570

JSON object : View

Products Affected

teamviewer

digital_employee_experience

microsoft

windows

CWE

CWE-20

Improper Input Validation

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