CVE-2026-21807

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

Published Aug 26, 2026 CVSS 3.1 · 3.9 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Hclsoftware
Hclsoftware bigfix Quantum Risk Analyzer
Vendors & Products Hclsoftware
Hclsoftware bigfix Quantum Risk Analyzer
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title HCL BigFix Quantum Risk Analyzer is affected by a stack-based buffer overflow
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 3.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
HCL
Published
Updated
Aug 27, 2026, 4:05 PM
Reserved
Jan 5, 2026, 4:08 PM
Status
Awaiting Analysis
Published
Aug 26, 2026, 11:17 PM
Modified
Aug 28, 2026, 4:06 PM