Discussed in the core-libs-dev mailing list https://mail.openjdk.java.net/pipermail/core-libs-dev/2022-February/085532.html

The following trivial code when run with security manager enabled in source file launch mode fails with an exception:

public class HelloWorld {
public static void main(final String[] args) throws Exception {
System.out.println("Hello World");
}
}

java -Djava.security.manager=default HelloWorld.java

WARNING: A command line option has enabled the Security Manager
WARNING: The Security Manager is deprecated and will be removed in a
future release
Exception in thread "main" java.security.AccessControlException: access
denied ("java.lang.RuntimePermission"
"accessClassInPackage.jdk.internal.misc")
     at
java.base/java.security.AccessControlContext.checkPermission(AccessControlContext.java:485)
     at
java.base/java.security.AccessController.checkPermission(AccessController.java:1068)
     at
java.base/java.lang.SecurityManager.checkPermission(SecurityManager.java:416)
     at
java.base/java.lang.SecurityManager.checkPackageAccess(SecurityManager.java:1332)
     at
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:184)
     at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520)
     at jdk.compiler/com.sun.tools.javac.launcher.Main.main(Main.java:132)