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Windows CVE-2026-23563

MEDIUM
Improper Link Resolution Before File Access (CWE-59)
2026-01-29 psirt@teamviewer.com
Windows Digital Employee Experience
5.7
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:00 vuln.today
CVE Published
Jan 29, 2026 - 09:16 nvd
MEDIUM 5.7

DescriptionNVD

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.

AnalysisAI

Digital Employee Experience versions up to 26.1 is affected by improper link resolution before file access (CVSS 5.7).

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RemediationAI

Within 30 days: Identify affected systems running TeamViewer DEX - 1E Client and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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CVE-2026-23563 vulnerability details – vuln.today
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