A man has been charged following the stabbing of an elderly woman and her son inside their home on Friday morning.

The man, 50, and his mother, 82, attempted to flag down passing cars after they were reportedly in their Mungara Court home in Wondunna.

The pair were transported to Hervey Bay Hospital just after 9am on Friday.

An elderly couple received brutal stab wounds following a home intrusion in the Queensland town of Wondunna, on Mungara Court (pictured), Friday morning

Both underwent surgery on arrival, with one in a serious condition and the other in a serious but stable condition.

A 39-year-old male from Lismore in NSW, who is known to the pair, was charged at a bedside hearing with two counts of attempted murder on Friday evening.

The elderly woman was reportedly stabbed in the neck and hand, while the extent of her son's injuries were unknown, Seven News reported.

The two adults were taken from the home to Hervey Bay Hospital, both in a serious condition, the ambulance service told AAP.

The incident occurred in the Queensland town of Wondunna, near Hervey Bay, on Mungara Court

The mother and son underwent lengthy surgery at Hervey Bay Hospital and each are in a serious condition.

'They were attacked with what appears to be at least one knife, possibly more,' Detective Senior Sergeant Mick Polit said.

Det Sen Sgt Polit said one knife was found at the scene and at least one of the victims had also been stabbed in the torso.

The woman was reportedly stabbed in the neck and hand, while the extent of her son's injuries were unknown

Police found more knives in the ute driven by the alleged attacker when they arrested him.

He's expected to appear in the Hervey Bay Magistrates Court on Saturday.

Two adults were taken from the home to Hervey Bay Hospital, both in a serious condition, the ambulance service told AAP