Java Vulernability Discovered

Java Vulnerability Discovered

Cyber criminals are exploiting a vulnerability in Java, a widely used add-on or plug-in for most browser applications. We recommend you disable Java from your browser or uninstall Java immediately.

Procedures to disable Java in

Internet Explorer (IE)

  • If you use Internet Explorer version 7 or above, open Internet Explorer and select Tools | Manage Add-ons then skip to Step 3.If you use an older version of Internet Explorer, open Internet Explorer and select Tools | Internet Options and continue to Step 2.
  • From the Internet Options window, click the Programs tab and select Manage Add-ons.
  • From the Add-ons windows, click once to select (highlight) Java Plug-in then click the Disable button. Click Close and OK to accept the change.
  • Alternatively, you can also click Tools | Internet Options | Advanced. If Java is installed in your browser, you will see a listing for Sun Java in the Internet Options menu. Just uncheck it to disable. 
  • When you encounter a site that requires Java (for example, some small online games and calculators), you can re-enable Java easily by following the same steps above, this time selecting the enable option.


This article explains how to disable the Java plugin in Firefox so that Java applets no longer run.By default, Firefox allows Java applets to launch automatically. However, you may decide that you do not want Java applets to run. To disable Java applets in Firefox:

    1. At the top of the Firefox window, click on the Firefox button (Tools menu in Windows XP), and then click Add-onsOn the menu bar, click on the Tools menu, and then click Add-onsAt the top of the Firefox window, click on the Tools menu, and then click Add-ons. The Add-ons Manager tab will open.
    2. In the Add-ons Manager tab, select the Plugins panel.

  1. Click on the Java (TM) Platform pluginJava Plug-in 2 for NPAPI Browsers (Mac OS 10.5 & 10.6) or Java Applet Plug-in (Mac OS 10.7 and above)Java plugin to select it.
  2. Click on the Disable button (if the button says Enable, Java is already disabled).


  • Click the Chrome menu Chrome menu and select Settings.
  • Click Show advanced settings.
  • In the “Privacy section”, click the Content settings button.
  • In the “Plug-ins” section, select the following:
    • Click to play: Chrome will block all plug-ins. However, you can click the plug-in icon click to play plug-in to run it this time.
    • Block all: Chrome will prevent any plug-ins from running


To disable the Java web plug-in in Safari, follow these steps:

  1. In Safari, choose Safari > Preferences
  2. Click “Security”.
  3. Uncheck (deselect) “Enable Java”.
  4. Close the Safari preferences window.

You can find more complete information from this Computerworld article