The host is installed with IBM MQ 8.0.0.0 through 8.0.0.10 or 9.0.0 through 9.0.0.5 or 9.1.0.0 through 9.1.0.1 and is prone to a privilege escalation vulnerability. A flaw is present in the application, which fails to handle unspecified vectors. Successful exploitation could allow an authenticated attacker to escalate their privileges when using multiplexed channels.