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CVE-2026-27221

Estado: AnalizadaMedia (5.5)—

Acrobat Reader versions 24.001.30307, 24.001.30308, 25.001.21265 and earlier are affected by an Improper Certificate Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to spoof the identity of a signer. Exploitation of this issue requires user interaction.

CVSS

Probabilidad de explotación (EPSS)

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).

Tecnologías afectadas (3)

CWE

Referencias

JSON original (NVD)

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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-11T03:57:08.259918Z"
        }
      }
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          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
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        "exploitabilityScore": 1.8
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  "published": "2026-03-10T22:16:18.090",
  "references": [
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      "url": "https://helpx.adobe.com/security/products/acrobat/apsb26-26.html",
      "tags": [
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      ],
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    }
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
      "source": "psirt@adobe.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
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  ],
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    {
      "lang": "en",
      "value": "Acrobat Reader versions 24.001.30307, 24.001.30308, 25.001.21265 and earlier are affected by an Improper Certificate Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to spoof the identity of a signer. Exploitation of this issue requires user interaction."
    },
    {
      "lang": "es",
      "value": "Las versiones de Acrobat Reader 24.001.30307, 24.001.30308, 25.001.21265 y anteriores están afectadas por una vulnerabilidad de Validación de Certificado Inapropiada que podría resultar en una omisión de característica de seguridad. Un atacante podría aprovechar esta vulnerabilidad para suplantar la identidad de un firmante. La explotación de este problema requiere interacción del usuario."
    }
  ],
  "lastModified": "2026-08-28T00:17:05.167",
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