CVE-2026-92370

Remote Session Access Control Bypass Leading to Remote Code Execution

Published Sep 29, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
An improper access control vulnerability in TeamViewer Full Client, Host, and related affected modules on Windows, Linux, and macOS allows an authenticated remote attacker to bypass user-configured permission settings during session establishment. By modifying access control parameters for restricted features, an attacker can perform actions that were explicitly denied by the victim's configuration. This may result in unauthorized actions and potentially lead to remote code execution on the target system.

Remediation

Vendor Solution

Update to the latest 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 An improper access control vulnerability in TeamViewer Full Client, Host, and related affected modules on Windows, Linux, and macOS allows an authenticated remote attacker to bypass user-configured permission settings during session establishment. By modifying access control parameters for restricted features, an attacker can perform actions that were explicitly denied by the victim's configuration. This may result in unauthorized actions and potentially lead to remote code execution on the target system.
Title Remote Session Access Control Bypass Leading to Remote Code Execution
Weaknesses CWE-284
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TV
Published
Updated
Sep 30, 2026, 3:28 PM
Reserved
Sep 16, 2026, 7:16 AM
Status
Deferred
Published
Sep 29, 2026, 4:17 PM
Modified
Sep 30, 2026, 4:19 PM