CVE-2026-92374

CVE Enrichment

CVSS: 7.8 HIGH
EPSS: 0.09%
EPSS Percentile: 0.50%
CISA KEV: Not listed

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 27-Oct-2026 23:17
Last Modified: 28-Oct-2026 21:45
EPSS Date: 2026-10-29
CWE: CWE-367

CVSS Vector


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

References

[email protected]

Last enrichment sync: 30-Oct-2026 20:31
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

On macOS, the updates also resolve CVE-2026-92374, a time-of-check-to-time-of-use (TOCTOU) race condition with improper symbolic link handling flaw that could allow a low-privileged local attacker to install a malicious TeamViewer Fixes Flaw That Could Enable Code Execution on Support Technicians’ Systems

CVE (2)

MITRE ATT&CK (3)

Vendors (1)

Products (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.