CVE-2026-12703

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

State
Published
Severity
8.0 High
Published
Jul 29, 2026
Updated
Jul 29, 2026
Reserved
Jun 19, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.18.0 HighCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:HTV

Weaknesses

  • CWE-288 Authentication bypass using an alternate path or channel

Affected Products

ProductVersions
RemoteTeamViewer
  • 15.00 to before 15.80Affected
TensorTeamViewer
  • 15.00 to before 15.80Affected
ONETeamViewer
  • 15.00 to before 15.80Affected

References

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