{"id":"CVE-2026-19743","revision":null,"records":[{"revision":"9d88077813324e0a8f0969f2da4f33fa","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-19743","aliases":[],"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":0,"publishedAt":"2026-09-29T15:39:11.503+00:00","modifiedAt":"2026-09-30T15:28:19.226+00:00","affected":[{"ecosystem":"Vendor product","name":"Full Client","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"TeamViewer\",\n \"product\": \"Full Client\",\n \"platforms\": [\n \"Windows\",\n \"Linux\",\n \"MacOS\"\n ],\n \"versions\": [\n {\n \"status\": \"affected\",\n \"version\": \"15.0\",\n \"lessThan\": \"15.82\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"15.64.0 (Legacy Windows 7 & 8)\",\n \"lessThan\": \"15.64.8 (Legacy Windows 7 & 8)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"14.7.0 (Windows)\",\n \"lessThan\": \"14.7.48855 (Windows)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"13.2.0 (Windows)\",\n \"lessThan\": \"13.2.36230 (Windows)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"14.7.0 (Linux)\",\n \"lessThan\": \"14.7.48855 (Linux)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"13.2.0 (Linux)\",\n \"lessThan\": \"13.2.153995 (Linux)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"14.7.0 (MacOS)\",\n \"lessThan\": \"14.7.48855 (MacOS)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"13.2.0 (MacOS)\",\n \"lessThan\": \"13.2.153994 (MacOS)\",\n \"versionType\": \"custom\"\n }\n ],\n \"defaultStatus\": \"unaffected\"\n }"},{"ecosystem":"Vendor product","name":"Host","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"vendor\": \"TeamViewer\",\n \"product\": \"Host\",\n \"platforms\": [\n \"Windows\",\n \"Linux\",\n \"MacOS\"\n ],\n \"versions\": [\n {\n \"status\": \"affected\",\n \"version\": \"15.0\",\n \"lessThan\": \"15.82\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"15.64.0 (Legacy Windows 7 & 8)\",\n \"lessThan\": \"15.64.8 (Legacy Windows 7 & 8)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"14.7.0 (Windows)\",\n \"lessThan\": \"14.7.48855 (Windows)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"13.2.0 (Windows)\",\n \"lessThan\": \"13.2.36230 (Windows)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"14.7.0 (Linux)\",\n \"lessThan\": \"14.7.48855 (Linux)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"13.2.0 (Linux)\",\n \"lessThan\": \"13.2.153995 (Linux)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"14.7.0 (MacOS)\",\n \"lessThan\": \"14.7.48855 (MacOS)\",\n \"versionType\": \"custom\"\n },\n {\n \"status\": \"affected\",\n \"version\": \"13.2.0 (MacOS)\",\n \"lessThan\": \"13.2.153994 (MacOS)\",\n \"versionType\": \"custom\"\n }\n ],\n \"defaultStatus\": \"unaffected\"\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-19743","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-19743","identifiers":["CVE-2026-19743"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-12T03:56:46.1287087+00:00","complete":true,"records":1779,"lastAttemptAt":"2026-11-12T03:56:46.1287087+00:00","lastSuccessAt":"2026-11-12T03:56:46.266109+00:00","error":null,"lastVerifiedAt":"2026-11-12T03:56:46.2661097+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-64752486c567b55b31fb0d7225f5222bcd0019564ac0ac5f0649e242c7b19299-beddb039e9e8d22605e2eaa29616069a8dbcaa39d8913522266b856ccc773385","complete":true,"records":424562,"lastAttemptAt":"2026-11-12T03:56:45.0720206+00:00","lastSuccessAt":"2026-11-12T03:56:45.0520395+00:00","error":null,"lastVerifiedAt":"2026-11-12T03:56:45.0720206+00:00","snapshotPublishedAt":"2026-11-12T03:29:06+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-83f01e9b693347759bbcba1498652358","complete":false,"records":13760,"lastAttemptAt":"2026-11-12T04:06:30.4778921+00:00","lastSuccessAt":"2026-11-12T04:06:30.473+00:00","error":"350 identifier lookups failed; latest failures include AccessDenied (HTTP 403). Other identifiers were checked independently.","lastVerifiedAt":"2026-11-12T04:06:30.473+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13463,"expectedIdentifiers":13813,"failedIdentifiers":350},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-12T03:56:46.1287087+00:00","complete":true,"records":1097,"lastAttemptAt":"2026-11-12T03:56:46.1287087+00:00","lastSuccessAt":"2026-11-12T03:56:46.2668013+00:00","error":null,"lastVerifiedAt":"2026-11-12T03:56:46.2668014+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-52451a58cbcb4287967102045f86ce70","complete":true,"records":13760,"lastAttemptAt":"2026-11-12T03:56:47.5828253+00:00","lastSuccessAt":"2026-11-12T03:56:47.579+00:00","error":null,"lastVerifiedAt":"2026-11-12T03:56:47.579+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13813,"expectedIdentifiers":13813,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-3562b6c78fd1bd0f0b55daf66a0926ae24f65e462df7f6d928caad458fc696bf","complete":true,"records":9947,"lastAttemptAt":"2026-11-12T03:56:45.7079161+00:00","lastSuccessAt":"2026-11-11T04:27:43.6877707+00:00","error":null,"lastVerifiedAt":"2026-11-12T03:56:45.7079161+00:00","snapshotPublishedAt":"2026-11-11T03:32:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-456002455e0ab94bb92c95476d4e6d175c104cd594749982afd96c893728ecbc","complete":true,"records":2010,"lastAttemptAt":"2026-11-12T03:56:45.2248127+00:00","lastSuccessAt":"2026-11-11T02:36:58.1276999+00:00","error":null,"lastVerifiedAt":"2026-11-12T03:56:45.2248127+00:00","snapshotPublishedAt":"2026-11-11T01:17:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-baa8362b4daf9e5f39d5563775a55935e7b442c0735d33274a921579ce4a0d66","complete":true,"records":3093,"lastAttemptAt":"2026-11-12T03:56:46.0887439+00:00","lastSuccessAt":"2026-11-11T13:00:02.5446881+00:00","error":null,"lastVerifiedAt":"2026-11-12T03:56:46.0887439+00:00","snapshotPublishedAt":"2026-11-11T12:47:47+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-685fe7fb2b690656c910a1ea42a9d294e8353311ac8ecfa691a9b0ff1b328804","complete":true,"records":231695,"lastAttemptAt":"2026-11-12T03:56:45.6007038+00:00","lastSuccessAt":"2026-11-11T21:58:47.7265713+00:00","error":null,"lastVerifiedAt":"2026-11-12T03:56:45.6007038+00:00","snapshotPublishedAt":"2026-11-11T21:48:35+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}