{"id":"CVE-2026-19743","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-19743","generatedAt":"2026-10-28T10:36:27.775Z","title":"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…","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.","published":"2026-09-29T16:17:07.000Z","lastModified":"2026-09-30T16:17:13.000Z","status":"Deferred","sourceIdentifier":"psirt@teamviewer.com","cvss":{"version":"3.1","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"},"cwe":["CWE-22"],"affected":[],"epss":{"score":0.00146,"percentile":0.03776,"date":"2026-10-27","history":[{"date":"2026-09-30","score":0.0013,"percentile":0.02201}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-29T16:17:07.000Z","detail":{"score":"7.8","severity":"HIGH","publishedAt":"2026-09-29T16:17:07.177Z"},"summary":"New CVE, high severity (CVSS 7.8)."}],"references":[{"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/","source":"psirt@teamviewer.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-19743","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}