TI-2026-07369 Aliases CVE-2026-8381 GHSA-x4qq-w73c-72mv

Broken Access Control in TeamViewer DEX Platform (On Premises)

LOW 23CWE-862Published 2026-05-22 · Updated 2026-05-22

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00141 3rd percentileScored 2026-11-07

Fix Fixed DEX (On-premises) (TeamViewer): 9.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
TeamViewer	DEX (On-premises)	before 9.2	9.2	Patch available	CNA

DEX (On-premises) VendorTeamViewer Affected before 9.2 Fixed in 9.2 Patch available CNA

Remediation

Fix · CNA DEX (On-premises) (TeamViewer) Fixed in 9.2

Timeline

2026-10-02 Threatist record created from CVE-2026-8381
2026-10-03 Alias added: GHSA-x4qq-w73c-72mv

References

Other 1

https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2026-1005/

TI-2019-13681 TeamViewer Desktop through 14.7.1965 allows a bypass of remote-login access control… KEVCVSS 3.1HIGH 7.0
TI-2020-10745 TeamViewer Desktop for Windows before 15.8.3 does not properly quote its custom URI… CVSS 3.1HIGH 8.8
TI-2010-02989 Untrusted search path vulnerability in TeamViewer 5.0.8703 and earlier allows local… CVSS 2.0HIGH 9.3
TI-2021-13849 Memory corruption in TeamViewer CVSS 3.1HIGH 8.8
TI-2018-11870 TeamViewer 10.x through 13.x allows remote attackers to bypass the brute-force… CVSS 3.0CRITICAL 9.8
TI-2025-28565 File Hash Validation Bypass in NomadBranch.exe CVSS 3.1HIGH 8.8

See all 67 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences