{"schema":"threatline.record/2","record":{"id":"CVE-2026-19743","aliases":[],"summary":"Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) in TeamViewer Desktop Clients","details":"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.","categories":["Unclassified"],"product":"Full Client","vendor":"TeamViewer","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","source_modified_at":"2026-09-30T15:28:19.226Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Full Client","vendor":"TeamViewer","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"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","source_modified_at":"2026-09-30T15:28:19.226Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Host","vendor":"TeamViewer","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"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","source_modified_at":"2026-09-30T15:28:19.226Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Full Client","ecosystem":null},"version":"15.82","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","source_modified_at":"2026-09-30T15:28:19.226Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Full Client","ecosystem":null},"version":"15.64.8 (Legacy Windows 7 & 8)","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","source_modified_at":"2026-09-30T15:28:19.226Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Full Client","ecosystem":null},"version":"14.7.48855 (Windows)","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","source_modified_at":"2026-09-30T15:28:19.226Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Full Client","ecosystem":null},"version":"13.2.36230 (Windows)","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","source_modified_at":"2026-09-30T15:28:19.226Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Full Client","ecosystem":null},"version":"14.7.48855 (Linux)","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","source_modified_at":"2026-09-30T15:28:19.226Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Full Client","ecosystem":null},"version":"13.2.153995 (Linux)","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","source_modified_at":"2026-09-30T15:28:19.226Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Full Client","ecosystem":null},"version":"14.7.48855 (MacOS)","basis":"first unaffected version stated in the CVE record"},{"source":"CVE 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record"}],"cvss":7.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.0013,"percentile":0.02382,"score_date":"2026-10-23"},"published_at":"2026-09-29T15:39:11.503Z","modified_at":"2026-09-30T15:28:19.226Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-19743","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-30T15:28:19.226Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-19743","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/","tags":["vendor-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-09-30T15:20:48.791393Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-30T15:28:19.226Z","content_hash":"2783e6d86d018dd84b2a023a48c591ec0d6c4ceee8f1446114aa2211038e533d"}}