CVE-2026-92374

Privilege Escalation via Insecure Package Handling in TeamViewer Full Client and Host for macOS

HIGH
7.8
CVSS Score
Published: October 27, 2026 at 03:09 PM UTC
Updated: October 28, 2026 at 02:45 PM UTC
2 products affected across 1 vendorFull ClientHost

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.8HIGHTV
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-367

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