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CVE-2026-12703

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e6e39fa6beb62d53b4c497353921877c421c65a37899e563fcef47bbc174ad01
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"defaultStatus":"unaffected","modules":["Full Client","Host"],"platforms":["MacOS"],"product":"ONE","vendor":"TeamViewer","versions":[{"lessThan":"15.80","status":"affected","version":"15.00","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:07ac88b6c39b97ca46e2e4533d121974161a4cb6927f3a39fe89cbb6ab61434f · sha256:a806489d1b71fc53… · /containers/cna/affected/2

{"defaultStatus":"unaffected","modules":["Full Client","Host"],"platforms":["MacOS"],"product":"Remote","vendor":"TeamViewer","versions":[{"lessThan":"15.80","status":"affected","version":"15.00","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:07ac88b6c39b97ca46e2e4533d121974161a4cb6927f3a39fe89cbb6ab61434f · sha256:a806489d1b71fc53… · /containers/cna/affected/0

{"defaultStatus":"unaffected","modules":["Full Client","Host"],"platforms":["MacOS"],"product":"Tensor","vendor":"TeamViewer","versions":[{"lessThan":"15.80","status":"affected","version":"15.00","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:07ac88b6c39b97ca46e2e4533d121974161a4cb6927f3a39fe89cbb6ab61434f · sha256:a806489d1b71fc53… · /containers/cna/affected/1

Affected products and versions

3 source assertions
{"defaultStatus":"unaffected","modules":["Full Client","Host"],"platforms":["MacOS"],"product":"ONE","vendor":"TeamViewer","versions":[{"lessThan":"15.80","status":"affected","version":"15.00","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:07ac88b6c39b97ca46e2e4533d121974161a4cb6927f3a39fe89cbb6ab61434f · sha256:a806489d1b71fc53… · /containers/cna/affected/2
{"defaultStatus":"unaffected","modules":["Full Client","Host"],"platforms":["MacOS"],"product":"Remote","vendor":"TeamViewer","versions":[{"lessThan":"15.80","status":"affected","version":"15.00","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:07ac88b6c39b97ca46e2e4533d121974161a4cb6927f3a39fe89cbb6ab61434f · sha256:a806489d1b71fc53… · /containers/cna/affected/0
{"defaultStatus":"unaffected","modules":["Full Client","Host"],"platforms":["MacOS"],"product":"Tensor","vendor":"TeamViewer","versions":[{"lessThan":"15.80","status":"affected","version":"15.00","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:07ac88b6c39b97ca46e2e4533d121974161a4cb6927f3a39fe89cbb6ab61434f · sha256:a806489d1b71fc53… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:07ac88b6c39b97ca46e2e4533d121974161a4cb6927f3a39fe89cbb6ab61434f · sha256:a806489d1b71fc53… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-288","description":"CWE-288 Authentication bypass using an alternate path or channel","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:07ac88b6c39b97ca46e2e4533d121974161a4cb6927f3a39fe89cbb6ab61434f · sha256:a806489d1b71fc53… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory"],"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1007/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:07ac88b6c39b97ca46e2e4533d121974161a4cb6927f3a39fe89cbb6ab61434f · sha256:a806489d1b71fc53… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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