KEV Entry

CVE-2026-88771

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2026-88771

2026-09-27 16:44 UTC

Timestamps

2026-09-27

2026-09-27

Scope

A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands | Affected: Citrix NetScaler / ADC, Gateway | CVSS: 9.5 (CRITICAL) | Used in malware: unknown | Listed 5 hours ahead of CISA KEV | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-88771', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-88771'}
  • {'id': 'GHSA-MX58-P288-86QP', 'url': 'https://github.com/advisories/GHSA-MX58-P288-86QP'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2026-88771'}

f35abf53-af75-469c-bb1b-006544ecdfe1

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

2026-09-28 17:00 UTC

2026-09-28 17:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-09-27T16:44:00.000Z",
  "ahead_of_cisa_kev": {
    "count": 5,
    "unit": "hour"
  },
  "cve_id": "CVE-2026-88771",
  "cvss_estimated": false,
  "cvss_score": 9.5,
  "cvss_severity": "CRITICAL",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-MX58-P288-86QP",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "ADC, Gateway",
  "title": "A remote code execution vulnerability exists due to improper input validation, which can allow an unauthenticated attacker to execute arbitrary commands",
  "used_in_malware": "unknown",
  "vendor": "Citrix NetScaler",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2026-88771"
}
 -
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