PT-2026-6552 · Teamviewer · Teamviewer

M.M + 1 · Published 2026-02-05 · Updated 2026-02-07 · CVE-2026-23572

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TeamViewer versions prior to 15.74.5

Description An issue exists in TeamViewer Full and Host clients (Windows, macOS, Linux) where improper access control can be bypassed. An authenticated user can bypass additional access controls configured with the “Allow after confirmation” setting during a remote session. Exploitation requires authentication for the remote session via ID/password, Session Link, or Easy Access. Successful exploitation could lead to unauthorized access before local confirmation.

Recommendations Update TeamViewer to version 15.74.5 or later.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-23572

Affected Products

Teamviewer

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-23572 · Security Note
• https://teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1003 · Note
• https://reddit.com/r/Action1/comments/1qybwem/teamviewer_15745 · Reddit Post
• https://twitter.com/CVEnew/status/2019392391879250348 · Twitter Post
• https://t.me/CVEtracker/43815 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2019393092361584867 · Twitter Post
• https://t.me/cveNotify/150971 · Telegram Post