TeamViewer has several high-risk vulnerabilities.
TeamViewer has several high-severity vulnerabilities. TeamViewer has published security updates that address five vulnerabilities in TeamViewer Full Client and Host. The highest CVSS score for these vulnerabilities is 8.8. Of particular note is CVE-2026-92370, which allows an authenticated remote attacker to bypass user-configured access restrictions, potentially leading to arbitrary code execution under certain conditions.
TeamViewer also points to other vulnerabilities that could allow local attackers to escalate privileges or achieve arbitrary code execution under certain conditions. One of these can be exploited if the user opens a specially crafted TeamViewer session log file.
The vulnerabilities affect TeamViewer Full Client and Host. They primarily affect versions older than 15.82, but updates are also available for supported older TeamViewer versions.
Required actions:
- Check the TeamViewer version in use;
- Update TeamViewer to version 15.82 or a newer available update as soon as possible.
Additional information from the vendor: https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/
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