CVE-2026-34626

{
  "id": "CVE-2026-34626",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-14T17:16:51.283",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary file system read in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."
    },
    {
      "lang": "es",
      "value": "Las versiones de Acrobat Reader 26.001.21411, 24.001.30360, 24.001.30362 y anteriores están afectadas por una vulnerabilidad de Modificación Incontrolada de Atributos de Prototipo de Objeto (’Prototype Pollution’) que podría resultar en una lectura arbitraria del sistema de archivos en el contexto del usuario actual. La explotación de este problema requiere interacción del usuario, ya que la víctima debe abrir un archivo malicioso."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Adobe",
          "product": "Acrobat DC",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "26.001.21411",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "26.001.21431",
              "versionType": "custom",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "Adobe",
          "product": "Acrobat Reader DC",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "26.001.21411",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "26.001.21431",
              "versionType": "custom",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "Adobe",
          "product": "Acrobat 2024",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "24.001.30362 (Win), 24.001.30360 (Mac)",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "24.001.30365",
              "versionType": "custom",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 4.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-14T17:52:58.091952Z",
          "id": "CVE-2026-34626",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1321"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*",
              "versionStartIncluding": "24.0.0",
              "versionEndExcluding": "24.001.30365",
              "matchCriteriaId": "7E334D1F-0A7E-45F0-AE1C-AE3F38647E17"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*",
              "versionStartIncluding": "15.008.20082",
              "versionEndExcluding": "26.001.21431",
              "matchCriteriaId": "131CFDA9-0739-4C00-9B10-0F20C3979B22"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*",
              "versionStartIncluding": "15.008.20082",
              "versionEndExcluding": "26.001.21431",
              "matchCriteriaId": "EB130846-ED6A-4C3E-8984-685EEA001AAF"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://helpx.adobe.com/security/products/acrobat/apsb26-44.html",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}