: Unpatched vulnerabilities in older JREs like 1.6.0_26 are frequent targets for attackers, especially via browser plugins.
: This version was primarily a security and bug fix update for the Java SE 6 family. Java Jre 1 6 0 26
: Support for out-of-process applets on Mac OS X 10.5 was removed in this specific update. Java Archive Downloads - Java SE 6 - Oracle : Unpatched vulnerabilities in older JREs like 1