https://techcrunch.com/2020/01/18/internet-explorer-security-flaw/

Microsoft has confirmed a security flaw affecting Internet Explorer is currently being used by hackers, but that it has no immediate plans to fix.

In a late-evening tweet, US-CERT, the division of Homeland Security tasked with reporting on major security flaws, tweeted a link to a security advisory detailing the bug, describing it as “being exploited in the wild.”