Medium severity · published May 22, 2026
CVE-2026-8381
Broken Access Control in TeamViewer DEX Platform (On Premises)
5.4
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DO
DEX (On-premises) · TeamViewer
before 9.2 · source: vendor
Affected product
DO
DEX (On-premises)
TeamViewer
More from DEX (On-premises)
6.3
CVE-2026-2695
Lack of Server-side validation in Instruction Input in TeamViewer DEX Platform (On-Premises)