The TV watchdog has said the presenter's rant about the Duchess Of Sussex on "Good Morning Britain" in March did not violate its code.
"Are ‘mental health issues’ now the go-to excuse for any poor performance in elite sport? What a joke,” the TV personality wrote.
The British broadcaster is again going after a successful woman of color who has spoken up about her mental health struggles.
The comedian said "none" of her questions to her former co-host about Piers Morgan and Meghan Markle came from CBS executives.
The broadcaster spoke with "Extra" host Billy Bush about the messages he'd received "on behalf of several members of the royal family."
"I am a strong person, but I am not made of steel," the "Good Morning Britain" host said weeks after he engaged in an on-air debate with Piers Morgan.
Osbourne shouted at her "The Talk" co-host during a discussion about Piers Morgan and Meghan Markle.
"The Talk" co-host says in the old clip that the Duchess of Sussex "doesn't look Black."
“We are committed to a diverse, inclusive and respectful workplace," CBS said in a statement that could spell trouble for the host.
"The Talk" co-host vowed to "do better" after previously arguing that Morgan's dislike of Meghan Markle wasn't rooted in racism.