Improper
neutralization of path traversal sequences in TeamViewer Desktop Clients prior
Version 15.81.5 allows an authenticated remote session participant to write files
to unintended locations on the local file system via file transfer or virtual
file clipboard mechanisms. An attacker can leverage this behavior to achieve
arbitrary file write and potentially execute code with the privileges of the
affected user.

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Advisories

No advisories yet.

Fixes

Solution

Update to the last available client version.


Workaround

No workaround given by the vendor.

History

Fri, 28 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Teamviewer
Teamviewer full Client
Teamviewer full Client, Host, Quicksupport & Portable
Teamviewer full Client, Host, Quicksupport & Portable (for Windows 7 & 8)
Teamviewer full Client, Host, Quicksupport & Portable (v13 For Windows)
Teamviewer full Client, Host, Quicksupport (v13 For Linux)
Teamviewer full Client, Host, Quicksupport (v13 For Macos)
Teamviewer full Client, Host, Quicksupport (v14 For Linux)
Teamviewer full Client, Host, Quicksupport (v14 For Macos)
Teamviewer full Client, Host, Quicksupport (v14 For Windows)
Teamviewer host
Vendors & Products Teamviewer
Teamviewer full Client
Teamviewer full Client, Host, Quicksupport & Portable
Teamviewer full Client, Host, Quicksupport & Portable (for Windows 7 & 8)
Teamviewer full Client, Host, Quicksupport & Portable (v13 For Windows)
Teamviewer full Client, Host, Quicksupport (v13 For Linux)
Teamviewer full Client, Host, Quicksupport (v13 For Macos)
Teamviewer full Client, Host, Quicksupport (v14 For Linux)
Teamviewer full Client, Host, Quicksupport (v14 For Macos)
Teamviewer full Client, Host, Quicksupport (v14 For Windows)
Teamviewer host

Wed, 26 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 26 Aug 2026 09:30:00 +0000

Type Values Removed Values Added
Description Improper neutralization of path traversal sequences in TeamViewer Desktop Clients prior Version 15.81.5 allows an authenticated remote session participant to write files to unintended locations on the local file system via file transfer or virtual file clipboard mechanisms. An attacker can leverage this behavior to achieve arbitrary file write and potentially execute code with the privileges of the affected user.
Title Improper Validation of File Paths in TeamViewer Desktop Clients
Weaknesses CWE-73
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: TV

Published:

Updated: 2026-08-27T03:58:23.229Z

Reserved: 2026-07-21T07:42:28.976Z

Link: CVE-2026-16444

cve-icon Vulnrichment

Updated: 2026-08-26T13:35:57.752Z

cve-icon NVD

Status : Deferred

Published: 2026-08-26T10:16:39.940

Modified: 2026-09-01T20:50:58.753

Link: CVE-2026-16444

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T20:33:30Z

Weaknesses