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Vulnerability record · CVE-2026-23572 · published 5 February 2026

CVE-2026-23572: Incorrect authorization vulnerability

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.

7.2 CVSS 3.1 High EPSS 0.29% · top 80.7% CWE-863 · Incorrect authorization Deferred
7.2CVSS 3.1 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-23572), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.