CVE-2026-92374 — HIGH (7.8)

Vulnerability Description

A time-of-check time-of-use (TOCTOU) race condition combined with improper symbolic link handling in the privileged helper of TeamViewer Full Client and Host prior to version 15.83 for macOS allows a local attacker with low privileges to bypass installer package verification and install a malicious package. Successful exploitation can lead to local privilege escalation to root.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-367

References

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

FAQ

What is CVE-2026-92374?

CVE-2026-92374 is a vulnerability with a CVSS score of 7.8 (HIGH). A time-of-check time-of-use (TOCTOU) race condition combined with improper symbolic link handling in the privileged helper of TeamViewer Full Client and Host prior to version 15.83 for macOS allows a ...

How severe is CVE-2026-92374?

CVE-2026-92374 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-92374?

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