CVE-2026-19042 — HIGH (8.8)

Vulnerability Description

A command injection vulnerability in TeamViewer Full Client and Host for Linux prior to version 15.81.5 allows a remote attacker to execute arbitrary commands in the context of the current user via a specially crafted URL sent through the out-of-session chat feature. Exploitation requires user interaction by clicking the malicious link.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-78

References

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

FAQ

What is CVE-2026-19042?

CVE-2026-19042 is a vulnerability with a CVSS score of 8.8 (HIGH). A command injection vulnerability in TeamViewer Full Client and Host for Linux prior to version 15.81.5 allows a remote attacker to execute arbitrary commands in the context of the current user via a ...

How severe is CVE-2026-19042?

CVE-2026-19042 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-19042?

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