CVE-2026-21807CWE-121

CVE-2026-21807

Low · published August 27, 2026

CVSS v3.1
3.9
EPSS
0%
Percentile
0.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.9 · LOW
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00092 · 0.5th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-08-27T03:17Z
References (1)
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133289 · [email protected]
EPSS history
Timeline
  • 28 AUG 06:33Z
    EPSS moved — → 0%
    epss
  • 26 AUG 22:02Z
    HCL BigFix Quantum Risk Analyzer is affected by a stack-based buffer overflow
    cvelistv5