A vulnerability assessment engineer performed vulnerability scanning on active directory servers and discovered that the active directory server is using a lower version of Kerberos. To alert management to the risk behind using a lower version of Kerberos, he needs to explain what an attacker can do to leverage the vulnerabilities in it$.$ Which of the following actions can the attacker perform after exploiting vulnerabilities in Kerberos?

a$.$ Use privilege escalation

b$.$ Use a lateral movement

c$.$ Use DLL injection

d$.$ Use a vertical movement