CVE-2026-23569
Out-of-Bounds Read in TeamViewer DEX Client Enables DoS, Memory Leak
Publication date: 2026-01-29
Last updated on: 2026-02-11
Assigner: TeamViewer Germany GmbH
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| teamviewer | digital_employee_experience | to 26.1 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an out-of-bounds read in the TeamViewer DEX Client's Content Distribution Service (NomadBranch.exe) prior to version 26.1 on Windows. It allows a remote attacker to send a specially crafted request that causes the program to read memory outside its intended bounds, leaking stack memory. This leaked memory can be used to bypass Address Space Layout Randomization (ASLR), which is a security feature, and may help the attacker exploit other vulnerabilities on the affected system.
How can this vulnerability impact me? :
The vulnerability can lead to denial of service by crashing the affected service and can leak stack memory remotely. The leaked memory information can be used by attackers to bypass ASLR protections, increasing the risk of further exploitation of the system by enabling more advanced attacks.