KEV Entry

CVE-2026-0300

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2026-0300

2026-06-01 13:26 UTC

Timestamps

2026-06-01

2026-06-01

Scope

KEVIntel entry: PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal | Affected: Palo Alto Networks / Cloud NGFW, PAN-OS, Prisma Access | CVSS: 9.3 (CRITICAL) | EPSS: 0.3176 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-0300', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-0300'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2026-0300'}

c3d353d4-2b99-4942-b79e-e4032238919e

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:45 UTC

2026-06-19 12:45 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2026-06-01T13:26:25.457Z",
  "ahead_of_cisa_kev": {
    "count": 1,
    "unit": "day"
  },
  "cvss_score": 9.3,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.98072,
  "epss_score": 0.3176,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Cloud NGFW, PAN-OS, Prisma Access",
  "title": "PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID\u2122 Authentication Portal",
  "used_in_malware": "unknown",
  "vendor": "Palo Alto Networks"
}
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