CVE-2026-12703

High

Description

TeamViewer Full Client and Host for macOS before version 15.80 contain a business logic error that can allow an authenticated attacker to bypass a configured 2FA for Connections approval flow via Unattended Access and establish a remote connection to an affected macOS host.

SeverityHigh

CVSS8.0

Exploit probability—

Product

Remote

PublishedJul 29, 2026

First seenJul 29, 2026

Weakness typeCWE-288CWE-288

How to fix

Update

TeamViewer Remote15.80 or later
TeamViewer Tensor15.80 or later
TeamViewer ONE15.80 or later

Vendor advisories

teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1007/

Affected products

Product	Affected versions	Fixed in
TeamViewer Remote	15.00 ≤ v < 15.80	15.80
TeamViewer Tensor	15.00 ≤ v < 15.80	15.80
TeamViewer ONE	15.00 ≤ v < 15.80	15.80

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