KEV Entry

CVE-2026-123039

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2026-123039

2026-11-12 14:23 UTC

Timestamps

2026-11-12

2026-11-12

Scope

Local privilege escalation to root in the DynamicCLI daemon via local world-writable control socket | Affected: Check Point / Quantum Security Gateway, Quantum Security Management | CVSS: 7.8 (HIGH) | EPSS: 0.01274 | Used in malware: unknown | Listed 1 day ahead of CISA KEV | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-123039', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-123039'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2026-123039'}

d4945a8d-0ddf-4863-8589-452cd4c923a8

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-11-13 15:00 UTC

2026-11-13 19:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-11-12T14:23:01.409Z",
  "ahead_of_cisa_kev": {
    "count": 1,
    "unit": "day"
  },
  "cve_id": "CVE-2026-123039",
  "cvss_estimated": false,
  "cvss_score": 7.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.70349,
  "epss_score": 0.01274,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Quantum Security Gateway, Quantum Security Management",
  "title": "Local privilege escalation to root in the DynamicCLI daemon via local world-writable control socket",
  "used_in_malware": "unknown",
  "vendor": "Check Point",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2026-123039"
}
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