A CVE (Common Vulnerabilities and Exposures) is currently being exploited impacting Azure Virtual Desktop Client on Windows devices.
The CVE details are available here https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-5217.
Ensure your are running the latest version (1.2.4583) of the AVD client:
- x86 https://go.microsoft.com/fwlink/?linkid=2139144
- x64 https://go.microsoft.com/fwlink/?linkid=2139369
- ARM64 https://go.microsoft.com/fwlink/?linkid=2139368
If you kept the auto-update capability, the client should be automatically updated.