https://www.bleepingcomputer.com/news/security/magniber-ransomware-gang-now-exploits-internet-explorer-flaws-in-attacks/

The Magniber ransomware gang is now using two Internet Explorer vulnerabilities and malicious advertisements to infect users and encrypt their devices.

The two Internet Explorer vulnerabilities are tracked as CVE-2021-26411 and CVE-2021-40444, with both having a CVSS v3 severity score of 8.8.