Security Manager is inactive since JDK 24 ([JEP 486](https://openjdk.org/jeps/486)) and deprecated for removal. - NB 25 ships with SM disabled https://github.com/apache/netbeans/pull/8169 - plans for NB 26 include https://github.com/apache/netbeans/pull/7928
Security Manager is inactive since JDK 24 (JEP 486) and deprecated for removal.