Immediately go to NetBeans → Tools → Plugins → Updates and apply all available patches (some security backports exist for the IDE itself).
Here’s a sample review for , written as if by a developer or system administrator evaluating the bundle for legacy use. Title: The last safe haven for legacy JDK 7 + NetBeans 8 – works, but only for old projects Rating: ⭐⭐⭐☆☆ (3/5) Used for: Maintaining a Java 7 enterprise app from 2015 jdk-7u80-nb-8_0_2-windows-x64.exe