CVE-2026-92374

Privilege Escalation via Insecure Package Handling in TeamViewer Full Client and Host for macOS

Published Oct 27, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update to the latest available version.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Teamviewer
Teamviewer full Client
Teamviewer host
Vendors & Products Teamviewer
Teamviewer full Client
Teamviewer host
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TV
Published
Updated
Nov 4, 2026, 8:28 PM
Reserved
Sep 16, 2026, 7:16 AM
Status
Awaiting Analysis
Published
Oct 27, 2026, 4:17 PM
Modified
Nov 4, 2026, 9:18 PM