Teamviewer Security Vulnerabilities (CVEs)

Track 27 security vulnerabilities affecting Teamviewer products and software. Get instant email alerts when new CVEs are discovered, automated security monitoring, and patch guidance.

9 High
18 Medium
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CVE-2026-23565 6.5

A vulnerability in TeamViewer DEX Client's Content Distribution Service (NomadBranch.exe) allows attackers on adjacent networks to crash the service v...

Jan 29, 2026
CVE-2026-23566 6.5

This vulnerability allows attackers on the same network to manipulate log files in TeamViewer DEX Client's Content Distribution Service by sending cra...

Jan 29, 2026
CVE-2026-23567 6.5

An integer underflow vulnerability in TeamViewer DEX Client's UDP command handler allows adjacent network attackers to trigger heap-based buffer overf...

Jan 29, 2026
CVE-2026-23568 5.4

An out-of-bounds read vulnerability in TeamViewer DEX Client's Content Distribution Service (NomadBranch.exe) allows adjacent network attackers to rea...

Jan 29, 2026
CVE-2026-23569 6.5

An out-of-bounds read vulnerability in TeamViewer DEX Client's Content Distribution Service allows remote attackers to leak stack memory and cause den...

Jan 29, 2026
CVE-2026-23570 6.5

This vulnerability allows an attacker on the same network to send crafted UDP Sync commands to TeamViewer DEX Client's Content Distribution Service, e...

Jan 29, 2026
CVE-2026-23571 6.8

A command injection vulnerability in TeamViewer DEX (formerly 1E DEX) allows authenticated attackers with actioner privilege to execute arbitrary comm...

Jan 29, 2026
CVE-2026-23563 5.7

This vulnerability allows a low-privileged local attacker on Windows systems to delete protected system files by exploiting improper link resolution i...

Jan 29, 2026
CVE-2026-23564 6.5

A vulnerability in TeamViewer DEX Client's Content Distribution Service (NomadBranch.exe) allows attackers on adjacent networks to force encrypted UDP...

Jan 29, 2026
CVE-2025-64991 6.8

A command injection vulnerability in TeamViewer DEX (formerly 1E DEX) allows authenticated attackers with Actioner privileges to execute arbitrary com...

Dec 11, 2025
CVE-2025-64992 6.8

A command injection vulnerability in TeamViewer DEX (formerly 1E DEX) allows authenticated attackers with Actioner privileges to execute arbitrary com...

Dec 11, 2025
CVE-2025-64993 6.8

A command injection vulnerability in TeamViewer DEX (formerly 1E DEX) allows authenticated attackers with Actioner privileges to execute arbitrary com...

Dec 11, 2025
CVE-2025-64994 6.5

A privilege escalation vulnerability in TeamViewer DEX (formerly 1E DEX) allows local attackers with write access to a PATH directory to execute arbit...

Dec 11, 2025
CVE-2025-64995 6.5

This CVE describes a local privilege escalation vulnerability in TeamViewer DEX (formerly 1E DEX) where attackers with local access during execution c...

Dec 11, 2025
CVE-2025-44016 8.8

This vulnerability allows attackers to bypass file integrity validation in TeamViewer DEX Client's Content Distribution Service by providing a valid h...

Dec 11, 2025
CVE-2025-46266 4.3

This vulnerability in TeamViewer DEX Client's Content Distribution Service allows attackers to redirect the service to send data to arbitrary internal...

Dec 11, 2025
CVE-2025-64986 7.2

A command injection vulnerability in TeamViewer DEX (formerly 1E DEX) allows authenticated attackers with Actioner privileges to execute arbitrary com...

Dec 11, 2025
CVE-2025-64987 7.2

A command injection vulnerability in TeamViewer DEX (formerly 1E DEX) allows authenticated attackers with Actioner privileges to execute arbitrary com...

Dec 11, 2025
CVE-2025-64988 7.2

A command injection vulnerability in TeamViewer DEX (formerly 1E DEX) allows authenticated attackers with Actioner privileges to execute arbitrary com...

Dec 11, 2025
CVE-2025-64989 7.2

A command injection vulnerability in TeamViewer DEX (formerly 1E DEX) allows authenticated attackers with Actioner privileges to execute arbitrary com...

Dec 11, 2025
CVE-2025-64990 6.8

A command injection vulnerability in TeamViewer DEX (formerly 1E DEX) allows authenticated attackers with Actioner privileges to execute arbitrary com...

Dec 11, 2025
CVE-2025-12687 6.5

A vulnerability in TeamViewer DEX Client's Content Distribution Service (NomadBranch.exe) allows attackers to crash the service via specially crafted ...

Dec 11, 2025
CVE-2024-6053 4.3

This vulnerability allows unintentional clipboard sharing during TeamViewer meetings. When a user joins a meeting, their clipboard content could be ex...

Aug 28, 2024
CVE-2024-0819 7.3

This vulnerability allows low-privileged users on systems running vulnerable TeamViewer Remote Client versions to elevate privileges by changing perso...

Feb 27, 2024
CVE-2021-34858 7.8

This vulnerability allows remote attackers to execute arbitrary code on TeamViewer installations by tricking users into opening malicious TVS files. T...

Jan 13, 2022
CVE-2021-34859 8.8

CVE-2021-34859 is a remote code execution vulnerability in TeamViewer 15.16.8.0 that allows attackers to execute arbitrary code by tricking users into...

Oct 25, 2021
CVE-2021-34803 7.8

This vulnerability in TeamViewer for Windows allows attackers to execute arbitrary code by placing malicious DLL files in specific directories that th...

Jun 16, 2021

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