{"api_version":"1","generated_at":"2026-10-01T10:50:14+00:00","cve":"CVE-2026-19743","urls":{"html":"https://cve.report/CVE-2026-19743","api":"https://cve.report/api/cve/CVE-2026-19743.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-19743","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-19743"},"summary":{"title":"Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) in TeamViewer Desktop Clients","description":"Improper path validation in the local IPC service of TeamViewer Full Client and Host on Windows, Linux, and macOS prior to version 15.82 allows a local authenticated user with low privileges to perform arbitrary file writes with elevated privileges (NT AUTHORITY/SYSTEM \\ root). By sending crafted IPC commands to the local service daemon, an attacker could manipulate file paths, leading to local privilege escalation.","state":"PUBLISHED","assigner":"TV","published_at":"2026-09-29 16:17:07","updated_at":"2026-09-30 16:17:12"},"problem_types":["CWE-22","CWE-22 CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"],"metrics":[{"version":"3.1","source":"psirt@teamviewer.com","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/","name":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/","refsource":"psirt@teamviewer.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-19743","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"TeamViewer","product":"Full Client","version":"affected 15.0 15.82 custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Full Client","version":"affected 15.64.0 (Legacy Windows 7 & 8) 15.64.8 (Legacy Windows 7 & 8) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Full Client","version":"affected 14.7.0 (Windows) 14.7.48855 (Windows) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Full Client","version":"affected 13.2.0 (Windows) 13.2.36230 (Windows) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Full Client","version":"affected 14.7.0 (Linux) 14.7.48855 (Linux) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Full Client","version":"affected 13.2.0 (Linux) 13.2.153995 (Linux) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Full Client","version":"affected 14.7.0 (MacOS) 14.7.48855 (MacOS) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Full Client","version":"affected 13.2.0 (MacOS) 13.2.153994 (MacOS) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Host","version":"affected 15.0 15.82 custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Host","version":"affected 15.64.0 (Legacy Windows 7 & 8) 15.64.8 (Legacy Windows 7 & 8) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Host","version":"affected 14.7.0 (Windows) 14.7.48855 (Windows) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Host","version":"affected 13.2.0 (Windows) 13.2.36230 (Windows) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Host","version":"affected 14.7.0 (Linux) 14.7.48855 (Linux) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Host","version":"affected 13.2.0 (Linux) 13.2.153995 (Linux) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Host","version":"affected 14.7.0 (MacOS) 14.7.48855 (MacOS) custom","platforms":["Windows","Linux","MacOS"]},{"source":"CNA","vendor":"TeamViewer","product":"Host","version":"affected 13.2.0 (MacOS) 13.2.153994 (MacOS) custom","platforms":["Windows","Linux","MacOS"]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Update to the latest version.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"We thank Timo De Clercq & 0x_alibabas (Giuliano Sanfins) for the discovery and responsible disclosure.","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-19743","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-09-30T15:20:48.791393Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-30T15:28:19.226Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["Windows","Linux","MacOS"],"product":"Full Client","vendor":"TeamViewer","versions":[{"lessThan":"15.82","status":"affected","version":"15.0","versionType":"custom"},{"lessThan":"15.64.8 (Legacy Windows 7 & 8)","status":"affected","version":"15.64.0 (Legacy Windows 7 & 8)","versionType":"custom"},{"lessThan":"14.7.48855 (Windows)","status":"affected","version":"14.7.0 (Windows)","versionType":"custom"},{"lessThan":"13.2.36230 (Windows)","status":"affected","version":"13.2.0 (Windows)","versionType":"custom"},{"lessThan":"14.7.48855 (Linux)","status":"affected","version":"14.7.0 (Linux)","versionType":"custom"},{"lessThan":"13.2.153995 (Linux)","status":"affected","version":"13.2.0 (Linux)","versionType":"custom"},{"lessThan":"14.7.48855 (MacOS)","status":"affected","version":"14.7.0 (MacOS)","versionType":"custom"},{"lessThan":"13.2.153994 (MacOS)","status":"affected","version":"13.2.0 (MacOS)","versionType":"custom"}]},{"defaultStatus":"unaffected","platforms":["Windows","Linux","MacOS"],"product":"Host","vendor":"TeamViewer","versions":[{"lessThan":"15.82","status":"affected","version":"15.0","versionType":"custom"},{"lessThan":"15.64.8 (Legacy Windows 7 & 8)","status":"affected","version":"15.64.0 (Legacy Windows 7 & 8)","versionType":"custom"},{"lessThan":"14.7.48855 (Windows)","status":"affected","version":"14.7.0 (Windows)","versionType":"custom"},{"lessThan":"13.2.36230 (Windows)","status":"affected","version":"13.2.0 (Windows)","versionType":"custom"},{"lessThan":"14.7.48855 (Linux)","status":"affected","version":"14.7.0 (Linux)","versionType":"custom"},{"lessThan":"13.2.153995 (Linux)","status":"affected","version":"13.2.0 (Linux)","versionType":"custom"},{"lessThan":"14.7.48855 (MacOS)","status":"affected","version":"14.7.0 (MacOS)","versionType":"custom"},{"lessThan":"13.2.153994 (MacOS)","status":"affected","version":"13.2.0 (MacOS)","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"We thank Timo De Clercq & 0x_alibabas (Giuliano Sanfins) for the discovery and responsible disclosure."}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Improper path validation in the local IPC service of TeamViewer Full Client and Host on Windows, Linux, and macOS prior to version 15.82 allows a local authenticated user with low privileges to perform arbitrary file writes with elevated privileges (NT AUTHORITY/SYSTEM \\ root). By sending crafted IPC commands to the local service daemon, an attacker could manipulate file paths, leading to local privilege escalation. &nbsp;"}],"value":"Improper path validation in the local IPC service of TeamViewer Full Client and Host on Windows, Linux, and macOS prior to version 15.82 allows a local authenticated user with low privileges to perform arbitrary file writes with elevated privileges (NT AUTHORITY/SYSTEM \\ root). By sending crafted IPC commands to the local service daemon, an attacker could manipulate file paths, leading to local privilege escalation."}],"impacts":[{"capecId":"CAPEC-126","descriptions":[{"lang":"en","value":"CAPEC-126 Path Traversal"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-29T15:39:11.503Z","orgId":"13430f76-86eb-43b2-a71c-82c956ef31b6","shortName":"TV"},"references":[{"tags":["vendor-advisory"],"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Update to the latest version."}],"value":"Update to the latest version."}],"source":{"discovery":"UNKNOWN"},"title":"Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) in TeamViewer Desktop Clients","x_generator":{"engine":"Vulnogram 1.0.5"}}},"cveMetadata":{"assignerOrgId":"13430f76-86eb-43b2-a71c-82c956ef31b6","assignerShortName":"TV","cveId":"CVE-2026-19743","datePublished":"2026-09-29T15:39:11.503Z","dateReserved":"2026-08-13T13:55:15.000Z","dateUpdated":"2026-09-30T15:28:19.226Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-29 16:17:07","lastModifiedDate":"2026-09-30 16:17:12","problem_types":["CWE-22","CWE-22 CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"],"metrics":{"cvssMetricV31":[{"source":"psirt@teamviewer.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-30T15:20:48.791393Z","id":"CVE-2026-19743","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"19743","Ordinal":"1","Title":"Improper Limitation of a Pathname to a Restricted Directory (Pat","CVE":"CVE-2026-19743","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"19743","Ordinal":"1","NoteData":"Improper path validation in the local IPC service of TeamViewer Full Client and Host on Windows, Linux, and macOS prior to version 15.82 allows a local authenticated user with low privileges to perform arbitrary file writes with elevated privileges (NT AUTHORITY/SYSTEM \\ root). By sending crafted IPC commands to the local service daemon, an attacker could manipulate file paths, leading to local privilege escalation.","Type":"Description","Title":"Improper Limitation of a Pathname to a Restricted Directory (Pat"}]}}}