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KEV Entry

CVE-2026-53266

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2026-53266

2026-09-18 14:30 UTC

Timestamps

2026-09-18

2026-09-18

Scope

netfilter: bridge: make ebt_snat ARP rewrite writable | Affected: Linux / Linux | CVSS: 8.8 (HIGH) | EPSS: 0.00121 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-53266', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-53266'}
  • {'id': 'GHSA-XMHG-RR34-2CHJ', 'url': 'https://github.com/advisories/GHSA-XMHG-RR34-2CHJ'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2026-53266'}

c5026827-277e-4b54-a9bf-fc140f5cdfb7

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

2026-09-19 15:00 UTC

2026-09-19 15:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-09-18T14:30:43.435Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2026-53266",
  "cvss_estimated": false,
  "cvss_score": 8.8,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.02189,
  "epss_score": 0.00121,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-XMHG-RR34-2CHJ",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "Linux",
  "title": "netfilter: bridge: make ebt_snat ARP rewrite writable",
  "used_in_malware": "unknown",
  "vendor": "Linux",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2026-53266"
}
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