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CVE-2026-21807

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

Published: Aug 26, 2026Updated: Aug 28, 2026 Sources: CVE List NVDCWE-121

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:HPR:HUI:NS:UC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low

Weaknesses

Affected Products

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Privilege Escalation
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References

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