diff --git a/components/autofill/core/browser/foundations/browser_autofill_manager.cc b/components/autofill/core/browser/foundations/browser_autofill_manager.cc
--- a/components/autofill/core/browser/foundations/browser_autofill_manager.cc
+++ b/components/autofill/core/browser/foundations/browser_autofill_manager.cc
@@ -1186,18 +1186,22 @@ void BrowserAutofillManager::OnAskForValuesToFillImpl(
     return;
   }

+  // Evaluate the @memory eligibility gate BEFORE mutating
+  // `external_delegate_->query_field_` via OnQuery(). Otherwise a renderer
+  // could send `kAtMemory` to silently re-target a still-visible popup at a
+  // different origin (the bare `return` below neither hides the popup nor
+  // restores the previous query_field_).
+  if (IsAtMemoryTriggerSource(trigger_source) &&
+      client().GetPersonalContextEnablementState() ==
+          personal_context::PersonalContextEnablementState::
+              kDisabledNotEligible) {
+    return;
+  }
+
   const FormFieldData& field = CHECK_DEREF(form.FindFieldByGlobalId(field_id));
   external_delegate_->OnQuery(form, field, caret_bounds, trigger_source,
                               /*update_datalist=*/true);

   if (IsAtMemoryTriggerSource(trigger_source)) {
-    // Do not show the pop up at all for non eligible profiles.
-    if (client().GetPersonalContextEnablementState() ==
-        personal_context::PersonalContextEnablementState::
-            kDisabledNotEligible) {
-      return;
-    }
     // Show empty suggestions with a search bar to start the flow.
     external_delegate_->OnSuggestionsReturned(field_id, {});
     return;
   }