{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19743", "assignerOrgId": "13430f76-86eb-43b2-a71c-82c956ef31b6", "state": "PUBLISHED", "assignerShortName": "TV", "dateReserved": "2026-08-13T13:55:15.000Z", "datePublished": "2026-09-29T15:39:11.503Z", "dateUpdated": "2026-09-29T15:39:11.503Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "13430f76-86eb-43b2-a71c-82c956ef31b6", "shortName": "TV", "dateUpdated": "2026-09-29T15:39:11.503Z"}, "title": "Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) in TeamViewer Desktop Clients", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-126", "descriptions": [{"lang": "en", "value": "CAPEC-126 Path Traversal"}]}], "affected": [{"vendor": "TeamViewer", "product": "Full Client", "platforms": ["Windows", "Linux", "MacOS"], "versions": [{"status": "affected", "version": "15.0", "lessThan": "15.82", "versionType": "custom"}, {"status": "affected", "version": "15.64.0 (Legacy Windows 7 & 8)", "lessThan": "15.64.8 (Legacy Windows 7 & 8)", "versionType": "custom"}, {"status": "affected", "version": "14.7.0 (Windows)", "lessThan": "14.7.48855 (Windows)", "versionType": "custom"}, {"status": "affected", "version": "13.2.0 (Windows)", "lessThan": "13.2.36230 (Windows)", "versionType": "custom"}, {"status": "affected", "version": "14.7.0 (Linux)", "lessThan": "14.7.48855 (Linux)", "versionType": "custom"}, {"status": "affected", "version": "13.2.0 (Linux)", "lessThan": "13.2.153995 (Linux)", "versionType": "custom"}, {"status": "affected", "version": "14.7.0 (MacOS)", "lessThan": "14.7.48855 (MacOS)", "versionType": "custom"}, {"status": "affected", "version": "13.2.0 (MacOS)", "lessThan": "13.2.153994 (MacOS)", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Host", "platforms": ["Windows", "Linux", "MacOS"], "versions": [{"status": "affected", "version": "15.0", "lessThan": "15.82", "versionType": "custom"}, {"status": "affected", "version": "15.64.0 (Legacy Windows 7 & 8)", "lessThan": "15.64.8 (Legacy Windows 7 & 8)", "versionType": "custom"}, {"status": "affected", "version": "14.7.0 (Windows)", "lessThan": "14.7.48855 (Windows)", "versionType": "custom"}, {"status": "affected", "version": "13.2.0 (Windows)", "lessThan": "13.2.36230 (Windows)", "versionType": "custom"}, {"status": "affected", "version": "14.7.0 (Linux)", "lessThan": "14.7.48855 (Linux)", "versionType": "custom"}, {"status": "affected", "version": "13.2.0 (Linux)", "lessThan": "13.2.153995 (Linux)", "versionType": "custom"}, {"status": "affected", "version": "14.7.0 (MacOS)", "lessThan": "14.7.48855 (MacOS)", "versionType": "custom"}, {"status": "affected", "version": "13.2.0 (MacOS)", "lessThan": "13.2.153994 (MacOS)", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "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.", "supportingMedia": [{"type": "text/html", "base64": false, "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.\u202f "}]}], "references": [{"url": "https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "Update to the latest version.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update to the latest version."}]}], "credits": [{"lang": "en", "value": "We thank Timo De Clercq & 0x_alibabas (Giuliano Sanfins) for the discovery and responsible disclosure.", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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