CVE-2026-21807

Low

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.

SeverityLow
CVSS3.9
Exploit probability—
ProductBigFix Quantum Risk Analyzer
PublishedAug 26, 2026
First seenAug 26, 2026
Weakness typeCWE-121CWE-121

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
HCLSoftware BigFix Quantum Risk Analyzer2.0.1.47—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.