Commonwealth Bank is working to restore banking services after being hit with a major outage.

Banking services including payments, online access and ATMs have been affected.

This morning, some customers who tried to access their online banking received a message which said "current balance unavailable".

"We'll show your balance from the last time you logged on," the message said.

Other customers were unable to log into their online banking accounts.

More than 7000 people have reported an outage on DownDetector as of 12.25pm.

In an update on its website, the bank confirmed some of its services were unavailable.

"An issue today affecting some of our services is currently being fixed," the bank said in a statement.

"We apologise for any inconvenience and thank you for your patien

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