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.
Published: 2026-10-27
Score: 7.8 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

Vendor Solution

Update to the latest available version.

Tracking

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Advisories

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History

Tue, 27 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
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.
Title Privilege Escalation via Insecure Package Handling in TeamViewer Full Client and Host for macOS
Weaknesses CWE-367
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: TV

Published:

Updated: 2026-10-27T15:09:25.189Z

Reserved: 2026-09-16T07:16:01.956Z

Link: CVE-2026-92374

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-27T16:17:31.873

Modified: 2026-10-27T16:17:31.873

Link: CVE-2026-92374

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-27T17:00:07Z

Weaknesses
  • CWE-367

    Time-of-check Time-of-use (TOCTOU) Race Condition