{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-27221", "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "state": "PUBLISHED", "assignerShortName": "adobe", "dateReserved": "2026-02-18T22:02:41.380Z", "datePublished": "2026-03-10T21:41:36.952Z", "dateUpdated": "2026-03-10T21:41:36.952Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "Acrobat Reader", "vendor": "Adobe", "versions": [{"lessThanOrEqual": "25.001.21265", "status": "affected", "version": "0", "versionType": "semver"}]}], "datePublic": "2026-03-10T17:00:00.000Z", "descriptions": [{"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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "environmentalScore": 5.5, "environmentalSeverity": "MEDIUM", "exploitCodeMaturity": "NOT_DEFINED", "integrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "LOW", "modifiedAttackVector": "LOCAL", "modifiedAvailabilityImpact": "NONE", "modifiedConfidentialityImpact": "NONE", "modifiedIntegrityImpact": "HIGH", "modifiedPrivilegesRequired": "NONE", "modifiedScope": "UNCHANGED", "modifiedUserInteraction": "REQUIRED", "privilegesRequired": "NONE", "remediationLevel": "NOT_DEFINED", "reportConfidence": "NOT_DEFINED", "scope": "UNCHANGED", "temporalScore": 5.5, "temporalSeverity": "MEDIUM", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-295", "description": "Improper Certificate Validation (CWE-295)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe", "dateUpdated": "2026-03-10T21:41:36.952Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://helpx.adobe.com/security/products/acrobat/apsb26-26.html"}], "source": {"discovery": "EXTERNAL"}, "title": "Acrobat Reader | Improper Certificate Validation (CWE-295)"}}}

{}

{"cveTags": [], "descriptions": [{"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."}], "id": "CVE-2026-27221", "lastModified": "2026-03-10T22:16:18.090", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "psirt@adobe.com", "type": "Primary"}]}, "published": "2026-03-10T22:16:18.090", "references": [{"source": "psirt@adobe.com", "url": "https://helpx.adobe.com/security/products/acrobat/apsb26-26.html"}], "sourceIdentifier": "psirt@adobe.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "psirt@adobe.com", "type": "Primary"}]}

{}

{}