Stack-based Buffer Overflow Vulnerability in HCL BigFix Quantum Risk Analyzer
CVE-2026-21807

3.9LOW

Key Information:

Vendor

HCL Softwaresoftware

Status
Bigfix Quantum Risk Analyzer
Vendor
CVE Published:
26 August 2026

What is CVE-2026-21807?

HCL BigFix Quantum Risk Analyzer contains vulnerabilities due to the absence of vital hardening protections commonly expected in software development. This deficiency creates avenues for a stack-based buffer overflow attack, potentially compromising system integrity and leading to unauthorized access or data manipulation.

Affected Version(s)

BigFix Quantum Risk Analyzer 2.0.1.47

References

https://support.hcl-software.com/csm?id=kb_article&syspar...

CVSS V3.1

Score:
3.9
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.