CVE-2026-92374
Privilege Escalation via Insecure Package Handling in TeamViewer Full Client and Host for macOS
- State
- Published
- Severity
- 7.8 High
- Published
- Oct 27, 2026
- Updated
- Oct 27, 2026
- Reserved
- Sep 16, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | TV |
Weaknesses
- CWE-367 Time-of-check time-of-use (TOCTOU) race condition
Affected Products
| Product | Versions |
|---|---|
Full ClientTeamViewer |
|
HostTeamViewer |
|
References
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