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Can Java Applets, WebStart Applications, or Web Browsers Use Old, Private, or Static Java SE Versions? (Doc ID 1962799.1)

Last updated on NOVEMBER 14, 2020

Applies to:

Java SE JDK and JRE - Version 6 and later
Information in this document applies to any platform.


Disclaimer:  The directories and paths used in this article represent fictitious sample names that make up an example. Any similarity to actual code is purely coincidental and not intended in any other manner.

A request to Oracle Java SE Support:

"We have identified a number static (private JREs) versions installed on devices in our organization.

For example, we assume the following are static versions:
C:\Program Files\Java\jre6\ (default)
C:\Program Files\Java\jre1.6.0_26 (static)

We'd like to get some information from your side on what you recommend for outdated static versions of Java and what the security risks associated with them are. For example can any application or web applet call them? Does the browser e.g. Internet Explorer, always use the default JRE version on the system or can an applet on the Internet/Intranet check whether a static version is installed and use that.
Is there a way for us to identify which apps on a user's device make use of static versions installed?"



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