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CVE-2026-8381

5.4 · MEDIUM

A broken access control vulnerability exists in the TeamViewer DEX Platform (On‑Premises) prior version 9.2.

Published May 22, 2026CWE-862EPSS 0.23%

Overview

CVE-2026-8381 is a medium-severity vulnerability. It was published on May 22, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A broken access

control vulnerability exists in the TeamViewer DEX Platform (On‑Premises) prior version 9.2. Certain backend API endpoints do not

correctly enforce authorization checks, allowing an authenticated user with low

privileges to perform actions and access resources intended only for higher‑privileged roles. An attacker with

low‑privileged credentials may exploit

this to gain unauthorized access to administrative or sensitive functionality.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1005/

How CyberStrike helps

Frequently asked questions

What is CVE-2026-8381?

CVE-2026-8381 is a medium-severity vulnerability. It was published on May 22, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-8381?

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-8381?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-8381?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-8381 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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