src/java.desktop/share/classes/java/awt/Taskbar.java

*** 188,197 ****
--- 188,205 ----
              sm.checkPermission(new AWTPermission(
                      "showWindowWithoutWarningBanner"));
          }
      }
      
+     private static void checkEventsProcessingPermission() {
+         SecurityManager sm = System.getSecurityManager();
+         if (sm != null) {
+             sm.checkPermission(new RuntimePermission(
+                     "canProcessApplicationEvents"));
+         }
+     }
+ 
      private Taskbar() {
          Toolkit defaultToolkit = Toolkit.getDefaultToolkit();
          if (defaultToolkit instanceof SunToolkit) {
              peer = ((SunToolkit) defaultToolkit).createTaskbarPeer(this);
          }
*** 203,219 ****
--- 211,231 ----
       * supported; use the {@link #isTaskbarSupported} method to
       * determine if the current taskbar is supported.
       * @return the Taskbar instance
       * @throws HeadlessException if {@link
       * GraphicsEnvironment#isHeadless()} returns {@code true}
+      * @throws SecurityException if a security manager exists and it
+      * denies the {@code RuntimePermission("canProcessApplicationEvents")}
+      * permission
       * @throws UnsupportedOperationException if this class is not
       * supported on the current platform
       * @see #isTaskbarSupported()
       * @see java.awt.GraphicsEnvironment#isHeadless
       */
      public static synchronized Taskbar getTaskbar(){
          if (GraphicsEnvironment.isHeadless()) throw new HeadlessException();
+         checkEventsProcessingPermission();
  
          if (!Taskbar.isTaskbarSupported()) {
              throw new UnsupportedOperationException("Taskbar API is not " +
                                                      "supported on the current platform");
          }