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CVE-2026-23572

Improper Access Control in TeamViewer clients

Published: Feb 5, 2026Updated: Feb 5, 2026 Sources: CVE List NVDCWE-863
7.2HIGH
NVD MITRE
EPSS Score
0.3%
Top 80.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-863

Affected Products

TeamViewer
commercial·DEaka teamviewer gmbh
RemoteOn-premDesktop App
Communications / video-conferencing
TensorDesktop App
Communications / video-conferencing
OneDesktop App
Communications / video-conferencing

Exploitability

Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1003/
teamviewer.com

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