On November 10, 2026, support for .NET 8 (LTS)
will end. Your apps that are hosted on App Service will continue to run,
but security updates will no longer
be available and we'll no longer provide customer service
for .NET 8 (LTS).
Required action:
To avoid potential security vulnerabilities and minimize
risk for your App Service apps, follow
the steps to upgrade your app to .NET 10 (LTS)
before 10 November 2026.
Help and support:
If you have questions, get answers from community experts
in Microsoft Q&A. If
you have a support plan and you need technical help, create a support
request.
- For Summary,
type a description of your issue.
- For Issue type,
select Technical.
- For Subscription,
select your subscription.
- For Service,
click My services.
- For Service
type, select Web App (Linux) or Web App (Windows).
- For Resource,
select your resource.
- For Problem
type, select Application Code.
- For Problem subtype,
select .NET.
Learn
more.