CVE-2026-23572
Unknown Unknown - Not Provided

Access Control Bypass in TeamViewer Clients Allows Unauthorized Access

Publication date: 2026-02-05

Last updated on: 2026-02-05

Assigner: TeamViewer Germany GmbH

Description
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.

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Meta Information

Published
2026-02-05
Last Modified
2026-02-05
Generated
2026-07-06
AI Q&A
2026-02-05
EPSS Evaluated
2026-07-05
NVD
CVE-2026-23572
EUVD
EUVD-2026-5555

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
teamviewer teamviewer to 15.74.5 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

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Executive Summary

This vulnerability is an improper access control issue in the TeamViewer Full and Host clients (Windows, macOS, Linux) before version 15.74.5. It allows an authenticated user in a remote session to bypass additional access controls configured with the “Allow after confirmation” setting. Essentially, even though local confirmation is expected before certain actions, an attacker who is already authenticated via ID/password, Session Link, or Easy Access can exploit this flaw to gain unauthorized access without that local confirmation.

Impact Analysis

The impact of this vulnerability is that an authenticated remote user could gain unauthorized access to a system or perform actions without the expected local confirmation. This could lead to a compromise of confidentiality, integrity, and availability of the affected system, as indicated by the CVSS score which rates the impact as high in these areas.

Compliance Impact

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