CVE-2026-21807

HCL BigFix Quantum Risk Analyzer binary lacks several critical, industry-standard hardening protections that could allow an attacker to cause a stack-based buffer overflow.

  • Published Aug 26, 2026
  • CVSS 3.9 low
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-21807 at the National Vulnerability Database