CVE-2026-92377 — HIGH (7.8)

Vulnerability Description

Improper access control in the Patch Management update mechanism of TeamViewer Full Client and Host for Windows prior to version 15.82 allows a local authenticated attacker with low privileges to supply a signed executable through a forged IPC response and cause it to load a malicious DLL from a user-writable temporary directory. Successful exploitation results in arbitrary code execution with NT AUTHORITY\SYSTEM privileges.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-732

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-

FAQ

What is CVE-2026-92377?

CVE-2026-92377 is a vulnerability with a CVSS score of 7.8 (HIGH). Improper access control in the Patch Management update mechanism of TeamViewer Full Client and Host for Windows prior to version 15.82 allows a local authenticated attacker with low privileges to supp...

How severe is CVE-2026-92377?

CVE-2026-92377 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-92377?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.