CVE-2025-41421

Privilege Escalation via Symbolic Link Spoofing in TeamViewer Client

Published Oct 1, 2025 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
Improper handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information.

Remediation

Vendor Solution

Update to the latest version.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-32007 Improper handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information.
History
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
Teamviewer
Teamviewer full Client
Teamviewer host
Teamviewer remote
Teamviewer teamviewer
Teamviewer tensor
Vendors & Products Microsoft
Microsoft windows
Teamviewer
Teamviewer full Client
Teamviewer host
Teamviewer remote
Teamviewer teamviewer
Teamviewer tensor
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 handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information.
Title Privilege Escalation via Symbolic Link Spoofing in TeamViewer Client
Weaknesses CWE-59
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TV
Published
Updated
Oct 1, 2025, 1:59 PM
Reserved
Apr 30, 2025, 8:08 AM
Status
Deferred
Published
Oct 1, 2025, 2:15 PM
Modified
Oct 18, 2026, 9:10 PM