TL;DR TeamViewer disclosed five TeamViewer vulnerabilities on September 29, 2026, in its Full Client and Host for Windows, Linux, and macOS. All five are rated High, and the worst, CVE-2026-92370, scores CVSS 8.8. Version 15.82 fixes them. Why These TeamViewer Vulnerabilities Matter TeamViewer gives remote users full control of a computer. Attackers therefore value any weakness that lets them go beyond the access a user granted.

TeamViewer warned users to urgently patch multiple high-severity vulnerabilities in TeamViewer Full Client and Host software for Windows, Linux, and macOS, including a remote session access control bypass that could lead to remote code execution. The company said it is not aware of active exploitation, but urged immediate updating to TeamViewer version 15.82 to reduce the risk of unauthorized access and privilege escalation. #TeamViewer #CVE-2026-92370 #CVE-2026-19743 #CVE-2026-92368 #CVE-2026-92369 #CVE-2026-92371 #Winnti #MidnightBlizzard