An advanced persistent threat (APT) group called Void Banshee has been observed exploiting a recently disclosed security flaw in the Microsoft MHTML browser engine as a zero-day to deliver an information stealer called Atlantida.
Cybersecurity firm Trend Micro, which observed the activity in mid-May 2024, the vulnerability – tracked as CVE-2024-38112 – was used as part of a multi-stage attack