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CVE-2026-21807lowCWE-121

HCL BigFix Quantum Risk Analyzer is affected by a stack-based buffer overflow

8Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 3.9epss 0.1%
exploitation probability
0.1%top 99% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L