CVE-2026-23569 MEDIUM

CVE-2026-23569: Out-of-bounds read vulnerability in Content Distribution Service

Vendor Teamviewer
Product DEX
Weakness CWE-125
Published January 29, 2026
Last update January 29, 2026

CVSS base score

6.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

An out-of-bounds read vulnerability in the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows a remote attacker to leak stack memory and cause a denial of service via a crafted request. The leaked stack memory could be used to bypass ASLR remotely and facilitate exploitation of other vulnerabilities on the affected system.

Key dates

02Disclosure timeline

January 29, 2026 CVE published
January 29, 2026 Record updated