Improper AC in TeamViewer Full/Host v<15.74.5
CVE-2026-23572 Published on February 5, 2026
Improper Access Control in TeamViewer clients
Improper access control intheTeamViewerFull and Host clients(Windows,macOS, Linux)priorversion15.74.5 allows an authenticated userto bypassadditionalaccess controls withAllow afterconfirmationconfigurationinaremote 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.
Vulnerability Analysis
CVE-2026-23572 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-23572 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-23572
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Affected Versions
TeamViewer Remote:- Before 15.74.5 is affected.
- Before 15.74.5 is affected.
- Before 15.74.5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.