CVE-2026-23569: Out-of-bounds read vulnerability in Content Distribution Service
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.
Affected Software
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Frequently Asked Questions
What is the severity of CVE-2026-23569?
The severity of CVE-2026-23569 is classified as high due to its potential for remote exploitation.
How do I fix CVE-2026-23569?
To fix CVE-2026-23569, upgrade the TeamViewer DEX Client to version 26.1 or later.
What is the impact of CVE-2026-23569?
CVE-2026-23569 can lead to an out-of-bounds read that may allow an attacker to leak sensitive stack memory.
Who is affected by CVE-2026-23569?
CVE-2026-23569 affects users of TeamViewer DEX Client versions prior to 26.1 on Windows.
Is CVE-2026-23569 being actively exploited?
Currently, there is no public information indicating that CVE-2026-23569 is actively being exploited.