CVE-2026-23572: Improper Access Control in TeamViewer clients
Improper access control in the TeamViewer Full and Host clients (Windows, macOS, Linux) prior version 15.74.5 allows an authenticated user to bypass additional access controls with “Allow after confirmation” configuration in a remote session. An exploit could result in unauthorized access prior to local confirmation. The user needs to be authenticated for the remote session via ID/password, Session Link, or Easy Access as a prerequisite to exploit this vulnerability.
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2026-23572?
CVE-2026-23572 has been classified as a high severity vulnerability due to improper access control in the TeamViewer clients.
How do I fix CVE-2026-23572?
To fix CVE-2026-23572, users should update their TeamViewer Full and Host clients to version 15.74.5 or later.
What systems are affected by CVE-2026-23572?
CVE-2026-23572 affects TeamViewer Full and Host clients on Windows, macOS, and Linux prior to version 15.74.5.
How can an attacker exploit CVE-2026-23572?
An attacker can exploit CVE-2026-23572 by being an authenticated user who bypasses access controls during remote sessions that require confirmation.
Is there a workaround for CVE-2026-23572?
Currently, updating to the latest version is the only recommended solution for mitigating CVE-2026-23572.