While hundreds of vulnerabilities have been logged, several "Critical" rated CVEs (Common Vulnerabilities and Exposures) highlight the danger of 7u80:
Here are some resources to help you understand the vulnerabilities in Java 7 Update 80: java 7 update 80 vulnerabilities
Uninstall the Java deployment toolkit and browser plug-ins from all desktop machines. While hundreds of vulnerabilities have been logged, several
Use the following matrix to decide:
Oracle released Java 7 Update 80 in April 2015. It was not a feature release; it was a closing statement. Oracle had announced that April 2015 would mark the End of Public Updates for Java 7. This meant that 7u80 was the last time the general public would receive a security patch for the Java 7 runtime without purchasing expensive extended support contracts. Oracle had announced that April 2015 would mark
Java 7’s security sandbox is designed to prevent untrusted code from accessing system resources. However, multiple vulnerabilities discovered post-EOL allow complete sandbox bypass.