Remote access and troubleshooting app, TeamViewer, has patched a vulnerability that could let attackers quietly establish a connection to your computer and further exploit the system. When successfully exploited, this bug would let an unauthenticated, remote actor execute code on your Windows PC, or obtain password hashes (e.g., for cracking via brute-force) Assigned CVE-2020-13699, the high severity bug falls under a special category of security vulnerabilities, dubbed Unquoted Search Path or Element (CWE-428)
Source: https://www.bleepingcomputer.com/news/security/teamviewer-fixes-bug-that-lets-attackers-access-your-pc/