{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-34621",
        "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
        "state": "PUBLISHED",
        "assignerShortName": "adobe",
        "dateReserved": "2026-03-30T17:30:36.490Z",
        "datePublished": "2026-04-11T06:45:43.512Z",
        "dateUpdated": "2026-08-27T16:47:13.998Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "affected",
                    "product": "Acrobat DC",
                    "vendor": "Adobe",
                    "versions": [
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                            "lessThanOrEqual": "26.001.21367",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        },
                        {
                            "status": "unaffected",
                            "version": "26.001.21411",
                            "versionType": "custom"
                        }
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                    "product": "Acrobat Reader DC",
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                            "status": "unaffected",
                            "version": "26.001.21411",
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                {
                    "defaultStatus": "affected",
                    "product": "Acrobat 2024",
                    "vendor": "Adobe",
                    "versions": [
                        {
                            "lessThanOrEqual": "24.001.30356",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        },
                        {
                            "status": "unaffected",
                            "version": "24.001.30362 (Win), 24.001.30360 (Mac)",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "datePublic": "2026-04-10T17:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."
                }
            ],
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                        "attackVector": "LOCAL",
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                        "availabilityRequirement": "NOT_DEFINED",
                        "baseScore": 8.6,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "confidentialityRequirement": "NOT_DEFINED",
                        "environmentalScore": 8.6,
                        "environmentalSeverity": "HIGH",
                        "exploitCodeMaturity": "NOT_DEFINED",
                        "integrityImpact": "HIGH",
                        "integrityRequirement": "NOT_DEFINED",
                        "modifiedAttackComplexity": "LOW",
                        "modifiedAttackVector": "LOCAL",
                        "modifiedAvailabilityImpact": "HIGH",
                        "modifiedConfidentialityImpact": "HIGH",
                        "modifiedIntegrityImpact": "HIGH",
                        "modifiedPrivilegesRequired": "NONE",
                        "modifiedScope": "CHANGED",
                        "modifiedUserInteraction": "REQUIRED",
                        "privilegesRequired": "NONE",
                        "remediationLevel": "NOT_DEFINED",
                        "reportConfidence": "NOT_DEFINED",
                        "scope": "CHANGED",
                        "temporalScore": 8.6,
                        "temporalSeverity": "HIGH",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1321",
                            "description": "Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "078d4453-3bcd-4900-85e6-15281da43538",
                "shortName": "adobe",
                "dateUpdated": "2026-08-27T16:47:13.998Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://helpx.adobe.com/security/products/acrobat/apsb26-43.html"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)",
            "x_generator": {
                "engine": "cvelib 1.8.0"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34621",
                        "tags": [
                            "government-resource"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-04-11T00:00:00+00:00",
                                "options": [
                                    {
                                        "Exploitation": "active"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3",
                                "id": "CVE-2026-34621"
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                    {
                        "other": {
                            "type": "kev",
                            "content": {
                                "dateAdded": "2026-04-13",
                                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34621"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-04-14T03:55:27.955Z"
                },
                "timeline": [
                    {
                        "time": "2026-04-13T00:00:00.000Z",
                        "lang": "en",
                        "value": "CVE-2026-34621 added to CISA KEV"
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    }
}