An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.
https://www.cisa.gov/news-events/cybersecurity-advisories/aa24-242a
https://www.tenable.com/cyber-exposure/a-look-inside-the-ransomware-ecosystem
https://unit42.paloaltonetworks.com/lockbit-2-ransomware/
https://www.cisa.gov/news-events/cybersecurity-advisories/aa21-209a