diff --git a/dlls/wuapi/main.c b/dlls/wuapi/main.c
index 707602425f4..18a86bc5549 100644
--- a/dlls/wuapi/main.c
+++ b/dlls/wuapi/main.c
@@ -18,17 +18,101 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#define COBJMACROS
+
 #include "config.h"
 #include <stdarg.h>
 
 #include "windef.h"
 #include "winbase.h"
 #include "winuser.h"
+#include "ole2.h"
+#include "wuapi.h"
 
 #include "wine/debug.h"
+#include "wuapi_private.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(wuapi);
 
+typedef HRESULT (*fnCreateInstance)( IUnknown *pUnkOuter, LPVOID *ppObj );
+
+typedef struct _wucf
+{
+    const struct IClassFactoryVtbl *vtbl;
+    fnCreateInstance pfnCreateInstance;
+} wucf;
+
+static inline wucf *impl_from_IClassFactory( IClassFactory *iface )
+{
+    return (wucf *)((char *)iface - FIELD_OFFSET( wucf, vtbl ));
+}
+
+static HRESULT WINAPI wucf_QueryInterface( IClassFactory *iface, REFIID riid, LPVOID *ppobj )
+{
+    if (IsEqualGUID(riid, &IID_IUnknown) ||
+        IsEqualGUID(riid, &IID_IClassFactory))
+    {
+        IClassFactory_AddRef( iface );
+        *ppobj = iface;
+        return S_OK;
+    }
+    FIXME("interface %s not implemented\n", debugstr_guid(riid));
+    return E_NOINTERFACE;
+}
+
+static ULONG WINAPI wucf_AddRef( IClassFactory *iface )
+{
+    return 2;
+}
+
+static ULONG WINAPI wucf_Release( IClassFactory *iface )
+{
+    return 1;
+}
+
+static HRESULT WINAPI wucf_CreateInstance( IClassFactory *iface, LPUNKNOWN pOuter,
+                                           REFIID riid, LPVOID *ppobj )
+{
+    wucf *This = impl_from_IClassFactory( iface );
+    HRESULT r;
+    IUnknown *punk;
+
+    TRACE("%p %s %p\n", pOuter, debugstr_guid(riid), ppobj);
+
+    *ppobj = NULL;
+
+    if (pOuter)
+        return CLASS_E_NOAGGREGATION;
+
+    r = This->pfnCreateInstance( pOuter, (LPVOID *)&punk );
+    if (FAILED(r))
+        return r;
+
+    r = IUnknown_QueryInterface( punk, riid, ppobj );
+    if (FAILED(r))
+        return r;
+
+    IUnknown_Release( punk );
+    return r;
+}
+
+static HRESULT WINAPI wucf_LockServer( IClassFactory *iface, BOOL dolock )
+{
+    FIXME("(%p)->(%d)\n", iface, dolock);
+    return S_OK;
+}
+
+static const struct IClassFactoryVtbl wucf_vtbl =
+{
+    wucf_QueryInterface,
+    wucf_AddRef,
+    wucf_Release,
+    wucf_CreateInstance,
+    wucf_LockServer
+};
+
+static wucf updatecf = { &wucf_vtbl, UpdateSession_create };
+
 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID lpv )
 {
     switch(reason)
@@ -43,3 +127,22 @@ BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID lpv )
     }
     return TRUE;
 }
+
+HRESULT WINAPI DllGetClassObject( REFCLSID rclsid, REFIID iid, LPVOID *ppv )
+{
+    IClassFactory *cf = NULL;
+
+    TRACE("%s %s %p\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
+
+    if (IsEqualGUID( rclsid, &CLSID_UpdateSession ))
+       cf = (IClassFactory *)&updatecf.vtbl;
+
+    if (!cf) return CLASS_E_CLASSNOTAVAILABLE;
+    return IClassFactory_QueryInterface( cf, iid, ppv );
+}
+
+HRESULT WINAPI DllCanUnloadNow( void )
+{
+    FIXME("\n");
+    return S_FALSE;
+}
diff --git a/dlls/wuapi/wuapi.spec b/dlls/wuapi/wuapi.spec
index c5fc87af6d5..c534b4fbf40 100644
--- a/dlls/wuapi/wuapi.spec
+++ b/dlls/wuapi/wuapi.spec
@@ -1,4 +1,4 @@
-@ stub DllCanUnloadNow
-@ stub DllGetClassObject
+@ stdcall -private DllCanUnloadNow()
+@ stdcall -private DllGetClassObject(ptr ptr ptr)
 @ stub DllRegisterServer
 @ stub DllUnregisterServer