Security researcher claims to have found yet another as-yet-unpatched flaw in Java SE 7. Adam Gowdiak, of Polish Security Explorations, has made a name for himself in the past discovering numerous Java zero-day vulnerabilities. Oracle issued a critical security patch for Java last week, and strongly advised computer users to update their systems as soon as possible. But now a security researcher has found a flaw that can be used to bypass a Java security sandbox bypass on a target system.”]
Source: https://nakedsecurity.sophos.com/2013/04/23/unpatched-security-hole-java/