diff --git a/docs/fundamentals/runtime-libraries/system-uri.md b/docs/fundamentals/runtime-libraries/system-uri.md
index 184a774ee47a9..f99375e4acd75 100644
--- a/docs/fundamentals/runtime-libraries/system-uri.md
+++ b/docs/fundamentals/runtime-libraries/system-uri.md
@@ -1,7 +1,8 @@
 ---
 title: System.Uri class
 description: Learn about the System.Uri class.
-ms.date: 12/31/2023
+ms.date: 03/18/2026
+ai-usage: ai-assisted
 ---
 # System.Uri class
 
@@ -144,6 +145,11 @@ This validation can be used in other cases, like when dealing with UNC paths, by
 Uri baseUri = new Uri(@"\\host\share\some\directory\name\");
 ```
 
+For more details about the design and security considerations of <xref:System.Uri> and <xref:System.UriBuilder>, review the following threat model documents:
+
+- [System.Uri threat model](https://github.com/dotnet/runtime/blob/main/src/libraries/System.Private.Uri/docs/System.Uri%20Threat%20Model.md)
+- [System.UriBuilder threat model](https://github.com/dotnet/runtime/blob/main/src/libraries/System.Private.Uri/docs/System.UriBuilder%20Threat%20Model.md)
+
 ## Performance considerations
 
 If you use a *Web.config* file that contains URIs to initialize your application, additional time is required to process the URIs if their scheme identifiers are nonstandard. In such a case, initialize the affected parts of your application when the URIs are needed, not at start time.