{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12703", "assignerOrgId": "13430f76-86eb-43b2-a71c-82c956ef31b6", "state": "PUBLISHED", "assignerShortName": "TV", "dateReserved": "2026-06-19T10:17:46.376Z", "datePublished": "2026-07-29T14:13:19.692Z", "dateUpdated": "2026-07-29T14:13:19.692Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "13430f76-86eb-43b2-a71c-82c956ef31b6", "shortName": "TV", "dateUpdated": "2026-07-29T14:13:19.692Z"}, "title": "Bypass of 2FA for Connections via Unattended Access in TeamViewer for macOS", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-288", "description": "CWE-288 Authentication bypass using an alternate path or channel", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "affected": [{"vendor": "TeamViewer", "product": "Remote", "platforms": ["MacOS"], "modules": ["Full Client", "Host"], "versions": [{"status": "affected", "version": "15.00", "lessThan": "15.80", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Tensor", "platforms": ["MacOS"], "modules": ["Full Client", "Host"], "versions": [{"status": "affected", "version": "15.00", "lessThan": "15.80", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "ONE", "platforms": ["MacOS"], "modules": ["Full Client", "Host"], "versions": [{"status": "affected", "version": "15.00", "lessThan": "15.80", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "TeamViewer Full Client and Host\u00a0for macOS before version 15.80\u00a0contain\u00a0a business logic error that can allow an authenticated attacker to bypass\u00a0a\u00a0configured 2FA\u00a0for\u00a0Connections approval flow\u00a0via\u00a0Unattended\u00a0Access\u00a0and\u00a0establish\u00a0a remote connection to an affected macOS host.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "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. "}]}], "references": [{"url": "https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1007/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "Update to the latest version (15.80 or the latest version available)", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update to the latest version (15.80 or the latest version available)"}]}], "credits": [{"lang": "en", "value": "We thank dameb for the discovery and responsible disclosure", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}}}

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