diff --git a/include/Makefile.in b/include/Makefile.in
index b810f7e8442..96f79518c2e 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -844,6 +844,7 @@ SOURCES = \
 	windows.perception.spatial.surfaces.idl \
 	windows.security.credentials.idl \
 	windows.security.cryptography.idl \
+	windows.security.isolation.idl \
 	windows.storage.idl \
 	windows.storage.streams.idl \
 	windows.system.idl \
diff --git a/include/windows.security.isolation.idl b/include/windows.security.isolation.idl
new file mode 100644
index 00000000000..4147aefd646
--- /dev/null
+++ b/include/windows.security.isolation.idl
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2023 Mohamad Al-Jaf
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifdef __WIDL__
+#pragma winrt ns_prefix
+#endif
+
+import "inspectable.idl";
+import "asyncinfo.idl";
+import "eventtoken.idl";
+import "windowscontracts.idl";
+import "windows.foundation.idl";
+
+namespace Windows.Security.Isolation {
+    typedef enum IsolatedWindowsEnvironmentHostError IsolatedWindowsEnvironmentHostError;
+
+    interface IIsolatedWindowsEnvironmentHostStatics;
+
+    runtimeclass IsolatedWindowsEnvironmentHost;
+
+    declare {
+        interface Windows.Foundation.Collections.IVectorView<Windows.Security.Isolation.IsolatedWindowsEnvironmentHostError>;
+    }
+
+    [
+        contractversion(3.0)
+    ]
+    apicontract IsolatedWindowsEnvironmentContract
+    {
+    }
+
+    [
+        contract(Windows.Security.Isolation.IsolatedWindowsEnvironmentContract, 1.0)
+    ]
+    enum IsolatedWindowsEnvironmentHostError
+    {
+        AdminPolicyIsDisabledOrNotPresent = 0,
+        FeatureNotInstalled               = 1,
+        HardwareRequirementsNotMet        = 2,
+        RebootRequired                    = 3,
+        UnknownError                      = 4,
+    };
+
+    [
+        contract(Windows.Security.Isolation.IsolatedWindowsEnvironmentContract, 1.0),
+        exclusiveto(Windows.Security.Isolation.IsolatedWindowsEnvironmentHost),
+        uuid(2c0e22c7-05a0-517a-b81c-6ee8790c381f)
+    ]
+    interface IIsolatedWindowsEnvironmentHostStatics : IInspectable
+    {
+        [propget] HRESULT IsReady([out, retval] boolean *value);
+        [propget] HRESULT HostErrors([out, retval] Windows.Foundation.Collections.IVectorView<Windows.Security.Isolation.IsolatedWindowsEnvironmentHostError> **value);
+    }
+
+    [
+        contract(Windows.Security.Isolation.IsolatedWindowsEnvironmentContract, 1.0),
+        marshaling_behavior(agile),
+        static(Windows.Security.Isolation.IIsolatedWindowsEnvironmentHostStatics, Windows.Security.Isolation.IsolatedWindowsEnvironmentContract, 1.0),
+        threading(both)
+    ]
+    runtimeclass IsolatedWindowsEnvironmentHost
+    {
+    }
+}