CVE-2026-92374

high

Description

A time-of-check time-of-use (TOCTOU) race condition combined with improper symbolic link handling in the privileged helper of TeamViewer Full Client and Host prior to version 15.83 for macOS allows a local attacker with low privileges to bypass installer package verification and install a malicious package. Successful exploitation can lead to local privilege escalation to root.

References

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1011/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-111074

Details

Source: Mitre, NVD

Published: 2026-10-27

Updated: 2026-11-04

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00092