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CVE-2026-76753

Status: ReceivedCritical (9.8)—

A format string vulnerability in an affected service interface of HPE Networking ClearPass Policy Manager could allow an unauthenticated remote attacker to corrupt process memory. Successful exploitation could allow an attacker to execute arbitrary code.

CVSS

Exploitation probability (EPSS)

FIRST hasn't scored this CVE yet (usual for very recent or rejected CVEs).

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vulnerabilidad de format string en servicio remoto sin autenticación (AV:N, PR:N) permite corrupción de memoria y ejecución de código arbitrario. AV:N/PR:N → T1190. Impactos: ejecución de código (T1059) y manipulación de datos en memoria (T1565.001).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account ManagementVulnerability ScanningRestrict Web-Based ContentNetwork SegmentationLimit Software InstallationLimit Access to Resource Over Network

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

HPE — Clearpass Policy ManagerAI

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-76753",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-alert@hpe.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-alert@hpe.com",
      "affectedData": [
        {
          "vendor": "Hewlett Packard Enterprise (HPE)",
          "product": "ClearPass Policy Manager (CPPM)",
          "versions": [
            {
              "status": "affected",
              "version": "6.14.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.14.0"
            },
            {
              "status": "affected",
              "version": "6.11.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.11.15"
            }
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-10-06T20:17:30.740",
  "references": [
    {
      "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05158en_us&docLocale=en_US",
      "source": "security-alert@hpe.com"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "A format string vulnerability in an affected service interface of HPE Networking ClearPass Policy Manager could allow an unauthenticated remote attacker to corrupt process memory. Successful exploitation could allow an attacker to execute arbitrary code."
    }
  ],
  "lastModified": "2026-10-06T20:17:30.740",
  "sourceIdentifier": "security-alert@hpe.com"
}