TeamViewer says users should update quickly after fixing five serious security flaws in its remote-access software for Windows, Linux, and macOS. The most severe issue, CVE-2026-92370, is an access-control bypass that could let a remote attacker perform unauthorized actions leading to remote code execution. The fixes are in TeamViewer version 15.82 and supported maintenance and legacy releases; the other bugs are CVE-2026-19743, CVE-2026-92368, CVE-2026-92369, and CVE-2026-92371.
Why it matters: Organizations and individuals using TeamViewer for remote access could be exposed to device takeover or privilege escalation if they delay patching. The action is straightforward and urgent: update TeamViewer clients and hosts to the fixed release as soon as possible.
Sergiu Gatlan
2026.09.30
100% relevant
This article establishes a new tracked story because it is the initial report here of TeamViewer's September 2026 advisory and emergency patch guidance for a specific set of newly disclosed CVEs.
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