Name: CVE-2026-12703: Authentication Bypass Using an Alternate Path or Channel
Creator: Rapid7
Published: 2026-07-29T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-12703, CWE-288, CVSS 8, EPSS 0.00397

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 Details

CVSS 3.1 Base Score: 8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Teamviewer Remote	—	Upgrade TeamViewer Remote to the latest version	Nov 4, 2026	Jul 29, 2026

Prioritize with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence