CVE-2026-12703
HighCVSS 8.0Exploitation Probability (EPSS)
Low risk14th percentile - higher than 14% of all known CVEs
Summary
TeamViewer Full Client and Host for macOS before version 15.80 contain a business logic error that allows an authenticated attacker to bypass configured 2FA for connection approval via Unattended Access and establish a remote connection to a macOS host.
Risk Assessment
Bypassing 2FA enables unauthorized remote access to macOS systems, potentially leading to data theft or device compromise.
Recommendation
Upgrade TeamViewer Full Client and Host for macOS to version 15.80 or later.
Other vulnerabilities in TeamViewer
See all- CVE-2026-19042High
A command injection vulnerability in TeamViewer Full Client and Host for Linux prior to version 15.81.5 allows a remote attacker to execute arbitrary commands in the context of the current user via a specially crafted URL sent through the out-of-session chat feature. Exploitation requires user interaction by clicking the malicious link.
- CVE-2026-16444High
Improper neutralization of path traversal sequences in TeamViewer Desktop Clients prior Version 15.81.5 allows an authenticated remote session participant to write files to unintended locations on the local file system via file transfer or virtual file clipboard mechanisms. An attacker can leverage this behavior to achieve arbitrary file write and potentially execute code with the privileges of the affected user.
Original NVD description (English source)
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.