CVE-2026-21807 (GCVE-0-2026-21807)

Vulnerability from cvelistv5 – Published: 2026-08-26 22:02 – Updated: 2026-08-26 22:02
VLAI
Title
HCL BigFix Quantum Risk Analyzer is affected by a stack-based buffer overflow
Summary
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.
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
Impacted products
Vendor Product Version CPE status
HCLSoftware BigFix Quantum Risk Analyzer Affected: 2.0.1.47
guessed Create a notification for this product.
Date Public
2026-08-26 21:00
Show details on NVD website

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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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