CVE-2026-92374
Privilege Escalation via Insecure Package Handling in TeamViewer Full Client and Host for macOS
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-367 |
| Vendor | teamviewer |
| Product | full client |
| Published | Oct 27, 2026 |
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CVSS v3 Breakdown
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
Affected Versions
TeamViewer / Full Client
0 < 15.83 14.7.0 < 14.7.48868 13.2.0 < 13.2.154007
TeamViewer / Host
0 < 15.83 14.7.0 < 14.7.48868 13.2.0 < 13.2.154007
References
Credits
HeaZzy (Mathys KHALFA) & skav (Antoine RIEUL)