CVE-2026-12703

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

Published Jul 29, 2026 CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update to the latest version (15.80 or the latest version available)

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Teamviewer
Teamviewer one
Teamviewer remote
Teamviewer tensor
Vendors & Products Teamviewer
Teamviewer one
Teamviewer remote
Teamviewer tensor
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Bypass of 2FA for Connections via Unattended Access in TeamViewer for macOS
Weaknesses CWE-288
References
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TV
Published
Updated
Jul 29, 2026, 3:07 PM
Reserved
Jun 19, 2026, 10:17 AM
Status
Deferred
Published
Jul 29, 2026, 3:16 PM
Modified
Jul 30, 2026, 4:45 PM