Hello Jan,
The note 359815 is related to Software component SAP_BASIS . Please check your version of SAP_BASIS in SAPGUI by going to System-> Status.
Also if you click on the link 221578 under Correction instruction , you can see the below details
| Release | Valid to Support Package |
| 46C | 46C-ALL SUPP. PACKAGES |
| 46B | 46B-SAPKB46B10 |
| 46A | 46A-SAPKB46A18 |
| 46D | 46D-SAPKB46D01 |
So the note can be applied to system if your SAP_BASIS is any of the above