CVE-2026-16444 — HIGH (7.5)

Vulnerability 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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-73

References

https://www.teamviewer.com/de/resources/trust-center/security-bulletins/tv-2026-

FAQ

What is CVE-2026-16444?

CVE-2026-16444 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2026-16444?

CVE-2026-16444 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16444?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.