diff --git a/lcl/interfaces/qt/qtwidgets.pas b/lcl/interfaces/qt/qtwidgets.pas
index 4e09f49b20..464b609396 100644
--- a/lcl/interfaces/qt/qtwidgets.pas
+++ b/lcl/interfaces/qt/qtwidgets.pas
@@ -410,6 +410,7 @@ type
     FHScrollbar: TQtScrollBar;
     FVScrollbar: TQtScrollbar;
   public
+    function EventFilter(Sender: QObjectH; Event: QEventH): Boolean; cdecl; override;
     procedure grabMouse; override;
     function GetContainerWidget: QWidgetH; override;
     function getClientOffset: TPoint; override;
@@ -6549,8 +6550,8 @@ begin
   {$IFDEF QTSCROLLABLEFORMS}
   if Assigned(ScrollArea) and not IsMDIChild then
   begin
-    if QEvent_type(Event) in [QEventPaint,
-                              QEventContextMenu] then
+    if QEvent_type(Event) in
+      [QEventPaint, QEventContextMenu, QEventWheel] then
       exit;
   end;
   {$ENDIF}
@@ -8070,16 +8071,29 @@ begin
       else
       if (QEvent_type(Event) = QEventWheel) and Assigned(FOwner) and
         (
-        {$IFDEF QTSCROLLABLEFORMS}
-        (FOwner is TQtWindowArea) or
-        {$ENDIF}
-        (FOwner is TQtCustomControl)
+        (FOwner is TQtAbstractScrollArea)
         ) then
       begin
-        Result := inherited EventFilter(Sender, Event);
-        // do not scroll when disabled
+
+        // issue #25992
+        if not getVisible then
+          Result := FOwner.SlotMouseWheel(FOwner.Widget, Event)
+        else
+          Result := inherited EventFilter(Sender, Event);
+
+        // DebugLn('TQtScrollBar.EventFilter: QEventWheel ',dbgsName(LCLObject),' Result=',dbgs(Result));
+
+        // do not scroll when disabled or issue #25992
         if not getEnabled then
-          Result := True;
+          Result := True
+        else
+        if not getVisible then
+        begin
+          if {$IFDEF QTSCROLLABLEFORMS}(FOwner is TQtWindowArea) or {$ENDIF}
+           (FOwner.ChildOfComplexWidget in
+           [ccwScrollingWinControl, ccwScrollingWindow]) then
+            Result := True;
+        end;
       end else
         Result := False;
       if (QEvent_type(Event) = QEventKeyRelease) and not
@@ -15307,6 +15321,18 @@ begin
   end;
 end;
 
+function TQtAbstractScrollArea.EventFilter(Sender: QObjectH; Event: QEventH
+  ): Boolean; cdecl;
+begin
+  Result := False;
+  if (QEvent_type(Event) = QEventWheel) and
+    not (FChildOfComplexWidget in
+      [ccwCustomControl, ccwScrollingWinControl, ccwScrollingWindow]) then
+    // issue #25992.Do not propagate wheel event to lcl, it is done via TQtScrollBar.EventFilter.
+  else
+    Result:=inherited EventFilter(Sender, Event);
+end;
+
 procedure TQtAbstractScrollArea.grabMouse;
 var
   W: QWidgetH;