Adjacent memory disclosure via out-of-bounds packet read
Published Jan 29, 2026 · Updated Jan 29, 2026
Out-of-bounds read in TeamViewer DEX Client before 26.1 allows attackers on adjacent networks to disclose memory or crash NomadBranch.exe. NomadBranch.exe processes a specially crafted packet by reading beyond its intended buffer, exposing process memory and destabilizing the service. Reachability requires the Windows Content Distribution Service to be enabled; it is disabled by default, and leaked memory can weaken ASLR for further exploitation.
Summary
What happened
Out-of-bounds read in TeamViewer DEX Client before 26.1 allows attackers on adjacent networks to disclose memory or crash NomadBranch.exe. NomadBranch.exe processes a specially crafted packet by reading beyond its intended buffer, exposing process memory and destabilizing the service. Reachability requires the Windows Content Distribution Service to be enabled; it is disabled by default, and leaked memory can weaken ASLR for further exploitation.
The record
- CVE
- CVE-2026-23568
- Published
- Jan 29, 2026
- Updated
- Jan 29, 2026
- Vendor
- TeamViewer
- Product
- TeamViewer DEX Client
- Classifications
- CWE-125
- Attack vector
- adjacent
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 29, 2026CVE publishedPublication date reported by the CVE source.
- Jan 29, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=0 <26.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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