{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-16444", "assignerOrgId": "13430f76-86eb-43b2-a71c-82c956ef31b6", "state": "PUBLISHED", "assignerShortName": "TV", "dateReserved": "2026-07-21T07:42:28.976Z", "datePublished": "2026-08-26T09:10:16.193Z", "dateUpdated": "2026-08-27T03:58:23.229Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "13430f76-86eb-43b2-a71c-82c956ef31b6", "shortName": "TV", "dateUpdated": "2026-08-26T09:10:16.193Z"}, "title": "Improper Validation of File Paths in TeamViewer Desktop Clients", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-73", "description": "CWE-73 External control of file name or path", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-126", "descriptions": [{"lang": "en", "value": "CAPEC-126 Path Traversal"}]}], "affected": [{"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport & Portable", "platforms": ["Windows", "MacOS", "Linux"], "versions": [{"status": "affected", "version": "15.0", "lessThan": "15.81.5", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport & Portable (for Windows 7 & 8)", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "15.64.0", "lessThan": "15.64.7", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v14 for Windows)", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "14.0", "lessThan": "14.7.48833", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v14 for Linux)", "platforms": ["Linux"], "versions": [{"status": "affected", "version": "14.0", "lessThan": "14.7.48838", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v14 for macOS)", "platforms": ["MacOS"], "versions": [{"status": "affected", "version": "14.0", "lessThan": "14.7.48838", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport & Portable (v13 for Windows)", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "13.0", "lessThan": "13.2.36229", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v13 for Linux)", "platforms": ["Linux"], "versions": [{"status": "affected", "version": "13.0", "lessThan": "13.2.153978", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v13 for macOS)", "platforms": ["MacOS"], "versions": [{"status": "affected", "version": "13.0", "lessThan": "13.2.153981", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Improper\nneutralization of path traversal sequences in TeamViewer Desktop Clients prior\nVersion 15.81.5 allows an authenticated remote session participant to write files\nto unintended locations on the local file system via file transfer or virtual\nfile clipboard mechanisms. An attacker can leverage this behavior to achieve\narbitrary file write and potentially execute code with the privileges of the\naffected user.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Improper\nneutralization of path traversal sequences in TeamViewer Desktop Clients prior\nVersion 15.81.5 allows an authenticated remote session participant to write files\nto unintended locations on the local file system via file transfer or virtual\nfile clipboard mechanisms. An attacker can leverage this behavior to achieve\narbitrary file write and potentially execute code with the privileges of the\naffected user.</p>"}]}], "references": [{"url": "https://www.teamviewer.com/de/resources/trust-center/security-bulletins/tv-2026-1008/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "Update to the last available client version.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update to the last available client version."}]}], "credits": [{"lang": "en", "value": "Jamir0quai & sam91281", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-26T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-16444"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-27T03:58:23.229Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-16444", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-26T13:35:27.900203Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-26T13:35:57.752Z"}}], "cna": {"title": "Improper Validation of File Paths in TeamViewer Desktop Clients", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Jamir0quai & sam91281"}], "impacts": [{"capecId": "CAPEC-126", "descriptions": [{"lang": "en", "value": "CAPEC-126 Path Traversal"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport & Portable", "versions": [{"status": "affected", "version": "15.0", "lessThan": "15.81.5", "versionType": "custom"}], "platforms": ["Windows", "MacOS", "Linux"], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport & Portable (for Windows 7 & 8)", "versions": [{"status": "affected", "version": "15.64.0", "lessThan": "15.64.7", "versionType": "custom"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v14 for Windows)", "versions": [{"status": "affected", "version": "14.0", "lessThan": "14.7.48833", "versionType": "custom"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v14 for Linux)", "versions": [{"status": "affected", "version": "14.0", "lessThan": "14.7.48838", "versionType": "custom"}], "platforms": ["Linux"], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v14 for macOS)", "versions": [{"status": "affected", "version": "14.0", "lessThan": "14.7.48838", "versionType": "custom"}], "platforms": ["MacOS"], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport & Portable (v13 for Windows)", "versions": [{"status": "affected", "version": "13.0", "lessThan": "13.2.36229", "versionType": "custom"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v13 for Linux)", "versions": [{"status": "affected", "version": "13.0", "lessThan": "13.2.153978", "versionType": "custom"}], "platforms": ["Linux"], "defaultStatus": "unaffected"}, {"vendor": "TeamViewer", "product": "Full Client, Host, QuickSupport (v13 for macOS)", "versions": [{"status": "affected", "version": "13.0", "lessThan": "13.2.153981", "versionType": "custom"}], "platforms": ["MacOS"], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update to the last available client version.", "supportingMedia": [{"type": "text/html", "value": "Update to the last available client version.", "base64": false}]}], "references": [{"url": "https://www.teamviewer.com/de/resources/trust-center/security-bulletins/tv-2026-1008/"}], "x_generator": {"engine": "Vulnogram 1.0.4"}, "descriptions": [{"lang": "en", "value": "Improper\nneutralization of path traversal sequences in TeamViewer Desktop Clients prior\nVersion 15.81.5 allows an authenticated remote session participant to write files\nto unintended locations on the local file system via file transfer or virtual\nfile clipboard mechanisms. An attacker can leverage this behavior to achieve\narbitrary file write and potentially execute code with the privileges of the\naffected user.", "supportingMedia": [{"type": "text/html", "value": "<p>Improper\nneutralization of path traversal sequences in TeamViewer Desktop Clients prior\nVersion 15.81.5 allows an authenticated remote session participant to write files\nto unintended locations on the local file system via file transfer or virtual\nfile clipboard mechanisms. An attacker can leverage this behavior to achieve\narbitrary file write and potentially execute code with the privileges of the\naffected user.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-73", "description": "CWE-73 External control of file name or path"}]}], "providerMetadata": {"orgId": "13430f76-86eb-43b2-a71c-82c956ef31b6", "shortName": "TV", "dateUpdated": "2026-08-26T09:10:16.193Z"}}}, "cveMetadata": {"cveId": "CVE-2026-16444", "state": "PUBLISHED", "dateUpdated": "2026-08-26T13:36:03.862Z", "dateReserved": "2026-07-21T07:42:28.976Z", "assignerOrgId": "13430f76-86eb-43b2-a71c-82c956ef31b6", "datePublished": "2026-08-26T09:10:16.193Z", "assignerShortName": "TV"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows", "MacOS", "Linux"], "product": "Full Client, Host, QuickSupport & Portable", "vendor": "TeamViewer", "versions": [{"lessThan": "15.81.5", "status": "affected", "version": "15.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "Full Client, Host, QuickSupport & Portable (for Windows 7 & 8)", "vendor": "TeamViewer", "versions": [{"lessThan": "15.64.7", "status": "affected", "version": "15.64.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "Full Client, Host, QuickSupport (v14 for Windows)", "vendor": "TeamViewer", "versions": [{"lessThan": "14.7.48833", "status": "affected", "version": "14.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "Full Client, Host, QuickSupport (v14 for Linux)", "vendor": "TeamViewer", "versions": [{"lessThan": "14.7.48838", "status": "affected", "version": "14.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["MacOS"], "product": "Full Client, Host, QuickSupport (v14 for macOS)", "vendor": "TeamViewer", "versions": [{"lessThan": "14.7.48838", "status": "affected", "version": "14.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "Full Client, Host, QuickSupport & Portable (v13 for Windows)", "vendor": "TeamViewer", "versions": [{"lessThan": "13.2.36229", "status": "affected", "version": "13.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["Linux"], "product": "Full Client, Host, QuickSupport (v13 for Linux)", "vendor": "TeamViewer", "versions": [{"lessThan": "13.2.153978", "status": "affected", "version": "13.0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["MacOS"], "product": "Full Client, Host, QuickSupport (v13 for macOS)", "vendor": "TeamViewer", "versions": [{"lessThan": "13.2.153981", "status": "affected", "version": "13.0", "versionType": "custom"}]}], "source": "psirt@teamviewer.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper\nneutralization of path traversal sequences in TeamViewer Desktop Clients prior\nVersion 15.81.5 allows an authenticated remote session participant to write files\nto unintended locations on the local file system via file transfer or virtual\nfile clipboard mechanisms. An attacker can leverage this behavior to achieve\narbitrary file write and potentially execute code with the privileges of the\naffected user."}], "id": "CVE-2026-16444", "lastModified": "2026-09-01T20:50:58.753", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "psirt@teamviewer.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16444", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-26T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-08-26T10:16:39.940", "references": [{"source": "psirt@teamviewer.com", "url": "https://www.teamviewer.com/de/resources/trust-center/security-bulletins/tv-2026-1008/"}], "sourceIdentifier": "psirt@teamviewer.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-73"}], "source": "psirt@teamviewer.com", "type": "Secondary"}]}

{}