diff --git a/wagtail/admin/templates/wagtailadmin/home.html b/wagtail/admin/templates/wagtailadmin/home.html
index c34b308a1188..e9fe9dcd2203 100644
--- a/wagtail/admin/templates/wagtailadmin/home.html
+++ b/wagtail/admin/templates/wagtailadmin/home.html
@@ -22,7 +22,7 @@ <h1 class="w-h1 w-mt-0">{{ header_title }}</h1>
 
                 <form
                     class="w-mb-12"
-                    action="{% url "wagtailadmin_pages:search" %}"
+                    action="{% url 'wagtailadmin_explore' root_page.pk %}"
                     method="get"
                     novalidate
                     role="search"
diff --git a/wagtail/admin/views/home.py b/wagtail/admin/views/home.py
index eac8703fc9df..a35afcd2a3ea 100644
--- a/wagtail/admin/views/home.py
+++ b/wagtail/admin/views/home.py
@@ -284,6 +284,7 @@ def get_context_data(self, parent_context):
 class HomeView(WagtailAdminTemplateMixin, TemplateView):
     template_name = "wagtailadmin/home.html"
     page_title = _("Dashboard")
+    permission_policy = page_permission_policy
 
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
@@ -296,6 +297,9 @@ def get_context_data(self, **kwargs):
         context["upgrade_notification"] = UpgradeNotificationPanel()
         context["site_summary"] = SiteSummaryPanel(self.request)
         context["search_form"] = SearchForm(placeholder=_("Search all pages..."))
+        context["root_page"] = self.permission_policy.explorable_root_instance(
+            self.request.user
+        )
         context["user"] = self.request.user
 
         return {**context, **site_details}