# CVE-2026-92370 — TeamViewer Full Client

> As of 2026-09-30, CVE-2026-92370 is a HIGH-severity vulnerability in TeamViewer Full Client, CVSS v3.1 8.8, EPSS 0.3% (29.3th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-92370, most recently “Multiple High-Severity Vulnerabilities in TeamViewer Client (CVE-2026-92370, CVE-2026-92368, CVE-2026-92369, CVE-2026-92371, CVE-2026-19743)”.

**Last updated:** 2026-09-30

## What is CVE-2026-92370?

An improper access control vulnerability in TeamViewer Full Client, Host, and related affected modules on Windows, Linux, and macOS allows an authenticated remote attacker to bypass user-configured permission settings during session establishment. By modifying access control parameters for restricted features, an attacker can perform actions that were explicitly denied by the victim's configuration. This may result in unauthorized actions and potentially lead to remote code execution on the target system.

The record classifies CVE-2026-92370 under weakness class [CWE-284](https://intel.threadlinqs.com/cwe/CWE-284). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 30 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.8 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.3% probability of exploitation in the next 30 days, higher than 29.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-29, last modified 2026-09-30

## Is CVE-2026-92370 being exploited?

It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [TeamViewer](https://intel.threadlinqs.com/vendors/teamviewer): Full Client, Host

## How to fix CVE-2026-92370

No vendor patch reference has been recorded for CVE-2026-92370 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-92370

1 tracked threat in the Threadlinqs corpus references CVE-2026-92370, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Multiple High-Severity Vulnerabilities in TeamViewer Client (CVE-2026-92370, CVE-2026-92368, CVE-2026-92369, CVE-2026-92371, CVE-2026-19743)](https://intel.threadlinqs.com/threat/TL-2026-2905) — HIGH · 2026-10-02

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-10.

**Vendor advisory and patch**

- [teamviewer.com — vendor advisory](https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1010/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-92370
Full detection coverage and IOCs for threats exploiting CVE-2026-92370 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp
