CVE-2026-23563
Unknown Unknown - Not Provided
Improper Link Resolution in TeamViewer DEX Allows File Deletion

Publication date: 2026-01-29

Last updated on: 2026-02-11

Assigner: TeamViewer Germany GmbH

Description
Improper Link Resolution Before File Access (invoked by 1E‑Explorer‑TachyonCore‑DeleteFileByPath instruction) in TeamViewer DEX - 1E Client before version 26.1 on Windows allows a low‑privileged local attacker to delete protected system files via a crafted RPC control junction or symlink that is followed when the delete instruction executes.
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Meta Information
Published
2026-01-29
Last Modified
2026-02-11
Generated
2026-06-16
AI Q&A
2026-01-29
EPSS Evaluated
2026-06-14
NVD
CVE-2026-23563
EUVD
EUVD-2026-4980
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
teamviewer digital_employee_experience to 26.1 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-59 The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
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Executive Summary

This vulnerability is an Improper Link Resolution Before File Access issue in TeamViewer DEX - 1E Client before version 26.1 on Windows. It occurs when the 1E-Explorer-TachyonCore-DeleteFileByPath instruction follows a crafted RPC control junction or symbolic link (symlink) during a delete operation, allowing a low-privileged local attacker to delete protected system files.

Impact Analysis

The vulnerability can allow a low-privileged local attacker to delete protected system files, potentially leading to system instability or denial of service. This could impact system availability and integrity.

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