CVE-2026-23563

Privilege escalation in TeamViewer DEX via DeleteFileByPath instruction

Published Jan 29, 2026 CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update the TeamViewer DEX Client (1E Client) to the latest available version.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
Teamviewer digital Employee Experience
CPEs cpe:2.3:a:teamviewer:digital_employee_experience:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows
Teamviewer digital Employee Experience
Type Values Removed Values Added
First Time appeared Teamviewer
Teamviewer dex
Vendors & Products Teamviewer
Teamviewer dex
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TV
Published
Updated
Jan 29, 2026, 4:53 PM
Reserved
Jan 14, 2026, 1:54 PM
Status
Analyzed
Published
Jan 29, 2026, 9:16 AM
Modified
Jun 17, 2026, 10:21 AM