TeamViewer security advisory (AV26-852)
Canada's Cyber Centre warns that multiple TeamViewer client products are affected by vulnerabilities, urging users to update to 15.64.7 or later.
Advisory AV26-852, dated August 26, 2026, reports vulnerabilities in TeamViewer Full Client, Host, and QuickSupport across multiple versions and platforms, and in Portable prior to 15.64.7. The Canadian Centre for Cyber Security encourages users and administrators to apply the necessary updates, referencing TeamViewer security bulletins TV-2026-1008 and TV-2026-1009. No exploitation details are provided in the advisory.
- Vulnerabilities affect TeamViewer Full Client, Host, Portable, and QuickSupport
- Portable users must update to version 15.64.7 or later
- Referenced vendor bulletins: TV-2026-1008 and TV-2026-1009
- Vendors
- TeamViewer
- Organizations
- Canadian Centre for Cyber Security
- Countries
- Canada
From the original article
Serial Number: AV26-852 Date: August 26, 2026 As of August 26, 2026, TeamViewer is affected by vulnerabilities in the following products: TeamViewer Full Client Multiple versions and platforms TeamViewer Host Multiple versions and platforms TeamViewer Portable Prior to version 15. 64.
cyber.gc.ca
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