CVE-2026-92377 TeamViewer - Broken Access Control

TeamViewer Full Client and Host for Windows < 15.82 contain an improper access control vulnerability in the Patch Management update mechanism, letting local authenticated attackers with low privileges execute arbitrary code with SYSTEM privileges via forged IPC response and malicious DLL loading.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.11% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Remote Code Execution, Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
27 October 2026
Updated
29 October 2026
Weakness
CWE-732

Vendor fix

Update to version 15.82 or later.

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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