CVE-2026-92370 TeamViewer - Broken Access Control

TeamViewer Full Client, Host, and related modules on Windows, Linux, and macOS contain an improper access control vulnerability caused by modification of access control parameters during session establishment, letting authenticated remote attackers bypass user-configured permissions and perform unauthorized actions, potentially leading to remote code execution.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.38% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Remote Code Execution, Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
29 September 2026
Updated
15 October 2026
Weakness
CWE-284

Vendor fix

Update to the latest version of TeamViewer Full Client, Host, and related modules.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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