Good morning. Microsoft says Chinese hackers exploited flaws in its software. Meme stock fever is spreading like it’s 2021. And heavy metal icon Ozzy Osbourne dies at age 76. Listen to the day’s top stories.

The company uncovers evidence that at least three China-based hacking groups are abusing the zero-day flaw in SharePoint software to access servers.

Hackers are exploiting a flaw in a commonly used Microsoft program to gain access to passwords, sensitive data and more.