CVE-2026-92374
Received
Received - Intake
Privileged Helper TOCTOU Race Condition in TeamViewer macOS Client
Vulnerability report for CVE-2026-92374, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-27
Last updated on: 2026-10-27
Assigner: TeamViewer Germany GmbH
Description
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 Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| TeamViewer | Full Client | 0 |
| TeamViewer | Full Client | 14.7.0 |
| TeamViewer | Full Client | 13.2.0 |
| TeamViewer | Host | 0 |
| TeamViewer | Host | 14.7.0 |
| TeamViewer | Host | 13.2.0 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-367 | The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. |
