8 High-Impact Bugs and How HackerOne Customers Avoided a Breach: Privilege Escalation

This HackerOne blog entry explains Privilege Escalation as one of eight high-impact vulnerability types, describes vertical and horizontal escalation, outlines potential business impacts (including malware distribution and authentication bypass), and cites the 2014 Home Depot incident as an illustrative historical example; it is a high-level, educational discussion rather than an actionable incident report.