TeamViewer security advisory (AV26-977)

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        <div><p><strong>Serial number: </strong>AV26-977<br /><strong>Date: </strong>September 29, 2026</p>

As of September 29, 2026, TeamViewer is affected by vulnerabilities in the following products:

  • TeamViewer Full Client (Windows/Linux/MacOS)
    • Multiple versions and Platforms
  • TeamViewer Host (Windows/Linux/MacOS)
    • Multiple versions and Platforms

The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.

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Article Link: TeamViewer security advisory (AV26-977) - Canadian Centre for Cyber Security