CVE-2026-12703highCWE-288

CVE-2026-12703: high-severity vulnerability in TeamViewer Remote

Bypass of 2FA for Connections via Unattended Access in TeamViewer for macOS

Published

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8epss 0.4%
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.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Related CVEs — TeamViewer Remote

In the same product, most dangerous first.