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LOW · 3.9

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.

Vulnerability Description

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 Score

3.9

LOW

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Related Weaknesses (CWE)

CWE-121

References

FAQ

What is CVE-2026-21807?

CVE-2026-21807 is a vulnerability with a CVSS score of 3.9 (LOW). 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.

How severe is CVE-2026-21807?

CVE-2026-21807 has been rated LOW with a CVSS base score of 3.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21807?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.