CVE-2026-16444: CWE-73 External control of file name or path in TeamViewer Full Client, Host, QuickSupport & Portable
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.
CVE-2026-16444: CWE-73 External control of file name or path in TeamViewer Full Client, Host, QuickSupport & Portable
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.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- TV
- Date Reserved
- 2026-07-21T07:42:28.976Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8eb3e2acd9273b49ac7729
Added to database: 08/26/2026, 09:37:38 UTC
Last updated: 08/26/2026, 10:22:15 UTC
Views: 3
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