CVE-2026-15053

Estado: AnalizadaAlta (7.5)—

Tanium addressed a denial of service vulnerability in Tanium Server.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.46%
Percentil entre todas las CVEs puntuadas: 38
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1499 Endpoint Denial of Serviceimpact90 %

Red sin privilegios (AV:N/PR:N) + disponibilidad afectada (A:H) indica DoS remoto en aplicación expuesta. CWE-789 es desbordamiento de memoria típico de DoS.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Filter Network Traffic Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Application Isolation and Sandboxing

Tecnologías afectadas (1)

Tanium — Server

CWE

CWE-789

Referencias

https://security.tanium.com/TAN-2026-016

JSON original (NVD)

Mostrar

{
  "id": "CVE-2026-15053",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-15053",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-08T14:27:30.302303Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "affectedData": [
        {
          "vendor": "Tanium",
          "product": "Tanium Server",
          "versions": [
            {
              "status": "affected",
              "version": "7.7.3.8298",
              "lessThan": "7.7.3.8298",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.8.2.1198",
              "lessThan": "7.8.2.1198",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.8.4.1327",
              "lessThan": "7.8.4.1327",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-07-08T14:16:56.930",
  "references": [
    {
      "url": "https://security.tanium.com/TAN-2026-016",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "description": [
        {
          "lang": "en",
          "value": "CWE-789"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Tanium addressed a denial of service vulnerability in Tanium Server."
    }
  ],
  "lastModified": "2026-07-10T19:00:47.680",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1705F1B3-865D-48ED-97DD-0CB058884D42",
              "versionEndExcluding": "7.7.3.8298",
              "versionStartIncluding": "7.7.3.0"
            },
            {
              "criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "67604599-4DCB-45C7-BBC7-A0E28B689D23",
              "versionEndExcluding": "7.8.2.1198",
              "versionStartIncluding": "7.8.2.0"
            },
            {
              "criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "70EA5691-3695-4F52-BFB6-EC6D99E62325",
              "versionEndExcluding": "7.8.4.1327",
              "versionStartIncluding": "7.8.4.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "3938794e-25f5-4123-a1ba-5cbd7f104512"
}