TeamViewer security advisory (AV26-977)
Canada’s Cyber Centre says TeamViewer Full Client and Host have vulnerabilities and urges updates.
On September 29, 2026, the Canadian Centre for Cyber Security issued advisory AV26-977 stating that TeamViewer Full Client and TeamViewer Host are affected by vulnerabilities on Windows, Linux, and macOS across multiple versions. The notice points administrators to TeamViewer security bulletins and urges them to apply necessary updates as they become available. It does not name CVE identifiers or report that the flaws are being exploited.
- Advisory AV26-977 covers TeamViewer Full Client and Host.
- Windows, Linux, and macOS builds across multiple versions are affected.
- No CVE identifiers or active exploitation are reported.
- Administrators are urged to apply TeamViewer updates when available.
- Vendors
- TeamViewer
- Organizations
- Canadian Centre for Cyber Security
- Countries
- Canada
From the original article
1 min read at cyber.gc.ca
Serial number: AV26-977 Date: September 29, 2026 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…
cyber.gc.ca
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