CVE-2026-23563 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Teamviewer	Dex

No data.

No data.

References

Link	Providers
https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1002/

History

Fri, 30 Jan 2026 09:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Teamviewer Teamviewer dex
Vendors & Products		Teamviewer Teamviewer dex

Thu, 29 Jan 2026 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 29 Jan 2026 09:00:00 +0000

Type	Values Removed	Values Added
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.
Title		Privilege escalation in TeamViewer DEX via DeleteFileByPath instruction
Weaknesses		CWE-59
References		https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1002/
Metrics		cvssV3_1 `{'score': 5.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: TV

Published: 2026-01-29T08:39:56.105Z

Updated: 2026-01-29T16:53:26.845Z

Reserved: 2026-01-14T13:54:40.321Z

Link: CVE-2026-23563

Vulnrichment

Updated: 2026-01-29T15:57:29.097Z

NVD

Status : Awaiting Analysis

Published: 2026-01-29T09:16:03.793

Modified: 2026-01-29T16:31:00.867

Link: CVE-2026-23563

Redhat

No data.

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