VulnSocial

CVE-2026-21807Disclosure

LOWCVSS 3.9 · LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-121

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-27: 1Technical Details · 2026-08-27: 108-27
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-21807 Stack Buffer Overflow Vulnerability in HCL BigFix Quantum Risk Analyzer Binary https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-21807

    Post summary

    The post announces a stack buffer overflow vulnerability in HCL BigFix Quantum Risk Analyzer, offering minimal technical detail and linking to a database entry, with no mention of PoC, active exploitation, or patch.

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    4.1K followersView on X

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