CVE-2026-23563

MEDIUM

TeamViewer DEX - 1E Client <26.1 - Privilege Escalation

Title source: llm

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.

References (1)

[Vendor Advisory] https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1002/

Scores

CVSS v3 5.7

EPSS 0.0004

EPSS Percentile 10.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-59

Status published

Products (1)

teamviewer/digital_employee_experience < 26.1

Published Jan 29, 2026

Tracked Since Feb 18, 2026