TeamViewer security advisory AV26-852 warns of vulnerabilities across multiple products

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TeamViewer security advisory AV26-852 warns of vulnerabilities across multiple products
TeamViewer security advisory AV26-852 warns of vulnerabilities across multiple products

Published:

Written by: CWME Research & Threat Intelligence Desk

Advisory Number: AV26-852
Date: August 26, 2026

TeamViewer Vulnerabilities Identified

As of August 26, 2026, TeamViewer has reported vulnerabilities affecting several of its products. The affected software includes:

  • TeamViewer Full Client
    • Multiple versions and platforms
  • TeamViewer Host
    • Multiple versions and platforms
  • TeamViewer Portable
  • TeamViewer QuickSupport
    • Multiple versions and platforms

Recommended Actions for Users and Administrators

The Cyber Centre advises all users and administrators of the affected TeamViewer products to review the security advisory and apply any necessary updates as they become available. Keeping software up to date is crucial in mitigating potential risks associated with these vulnerabilities.

For further details, users can refer to the official advisory from the Cyber Centre at Cyber.gc.ca.

Follow Cyber Warriors Middle East for further cybersecurity resources, advisories and technical guidance.

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