{"api_version":"1","generated_at":"2026-09-10T23:12:27+00:00","cve":"CVE-2026-81994","urls":{"html":"https://cve.report/CVE-2026-81994","api":"https://cve.report/api/cve/CVE-2026-81994.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-81994","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-81994"},"summary":{"title":"Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)","description":"Acrobat Reader is affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.","state":"PUBLISHED","assigner":"adobe","published_at":"2026-09-08 21:18:46","updated_at":"2026-09-10 15:17:47"},"problem_types":["CWE-1321","CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"6.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","data":{"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"}},{"version":"3.1","source":"psirt@adobe.com","type":"Secondary","score":"8.2","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"8.2","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","availabilityRequirement":"NOT_DEFINED","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","confidentialityRequirement":"NOT_DEFINED","environmentalScore":8.2,"environmentalSeverity":"HIGH","exploitCodeMaturity":"NOT_DEFINED","integrityImpact":"HIGH","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"LOW","modifiedAttackVector":"LOCAL","modifiedAvailabilityImpact":"NONE","modifiedConfidentialityImpact":"HIGH","modifiedIntegrityImpact":"HIGH","modifiedPrivilegesRequired":"NONE","modifiedScope":"CHANGED","modifiedUserInteraction":"REQUIRED","privilegesRequired":"NONE","remediationLevel":"NOT_DEFINED","reportConfidence":"NOT_DEFINED","scope":"CHANGED","temporalScore":8.2,"temporalSeverity":"HIGH","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","version":"3.1"}}],"references":[{"url":"https://helpx.adobe.com/security/products/acrobat/apsb26-141.html","name":"https://helpx.adobe.com/security/products/acrobat/apsb26-141.html","refsource":"psirt@adobe.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-81994","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81994","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Adobe","product":"Adobe Acrobat","version":"affected 26.002.21900 custom","platforms":[]},{"source":"CNA","vendor":"Adobe","product":"Adobe Acrobat","version":"unaffected 26.002.21901 custom","platforms":[]},{"source":"CNA","vendor":"Adobe","product":"Acrobat Reader","version":"affected 26.002.21900 custom","platforms":[]},{"source":"CNA","vendor":"Adobe","product":"Acrobat Reader","version":"unaffected 26.002.21901 custom","platforms":[]},{"source":"CNA","vendor":"Adobe","product":"Acrobat 2024","version":"affected 24.001.30383 custom","platforms":[]},{"source":"CNA","vendor":"Adobe","product":"Acrobat 2024","version":"unaffected 24.001.30429 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"81994","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adobe","cpe5":"acrobat","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"classic","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"81994","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adobe","cpe5":"acrobat_dc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"continuous","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"81994","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adobe","cpe5":"acrobat_reader_dc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"continuous","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"81994","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"apple","cpe5":"macos","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"81994","vulnerable":"0","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"81994","cve":"CVE-2026-81994","epss":"0.003040000","percentile":"0.229050000","score_date":"2026-09-09","updated_at":"2026-09-10 00:06:58"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-81994","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-09-09T17:29:10.269154Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-10T14:59:14.097Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Adobe Acrobat","vendor":"Adobe","versions":[{"lessThanOrEqual":"26.002.21900","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"26.002.21901","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Acrobat Reader","vendor":"Adobe","versions":[{"lessThanOrEqual":"26.002.21900","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"26.002.21901","versionType":"custom"}]},{"defaultStatus":"unaffected","product":"Acrobat 2024","vendor":"Adobe","versions":[{"lessThanOrEqual":"24.001.30383","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"24.001.30429","versionType":"custom"}]}],"datePublic":"2026-09-08T17:00:00.000Z","descriptions":[{"lang":"en","value":"Acrobat Reader is affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","availabilityRequirement":"NOT_DEFINED","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","confidentialityRequirement":"NOT_DEFINED","environmentalScore":8.2,"environmentalSeverity":"HIGH","exploitCodeMaturity":"NOT_DEFINED","integrityImpact":"HIGH","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"LOW","modifiedAttackVector":"LOCAL","modifiedAvailabilityImpact":"NONE","modifiedConfidentialityImpact":"HIGH","modifiedIntegrityImpact":"HIGH","modifiedPrivilegesRequired":"NONE","modifiedScope":"CHANGED","modifiedUserInteraction":"REQUIRED","privilegesRequired":"NONE","remediationLevel":"NOT_DEFINED","reportConfidence":"NOT_DEFINED","scope":"CHANGED","temporalScore":8.2,"temporalSeverity":"HIGH","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","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":{"dateUpdated":"2026-09-08T20:30:55.814Z","orgId":"078d4453-3bcd-4900-85e6-15281da43538","shortName":"adobe"},"references":[{"tags":["vendor-advisory"],"url":"https://helpx.adobe.com/security/products/acrobat/apsb26-141.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"}}},"cveMetadata":{"assignerOrgId":"078d4453-3bcd-4900-85e6-15281da43538","assignerShortName":"adobe","cveId":"CVE-2026-81994","datePublished":"2026-09-08T20:30:55.814Z","dateReserved":"2026-08-27T21:20:45.366Z","dateUpdated":"2026-09-10T14:59:14.097Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-08 21:18:46","lastModifiedDate":"2026-09-10 15:17:47","problem_types":["CWE-1321","CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)"],"metrics":{"cvssMetricV31":[{"source":"psirt@adobe.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":5.8},{"source":"nvd@nist.gov","type":"Primary","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}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-09T17:29:10.269154Z","id":"CVE-2026-81994","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*","versionStartIncluding":"24.001.20604","versionEndExcluding":"24.001.30429","matchCriteriaId":"A6C6B745-7D94-43D9-BD26-1B26EE34DED4"},{"vulnerable":true,"criteria":"cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*","versionStartIncluding":"15.008.20082","versionEndExcluding":"26.002.21901","matchCriteriaId":"B9192F4D-A119-46C4-A167-F500ACB3ACAB"},{"vulnerable":true,"criteria":"cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*","versionStartIncluding":"15.008.20082","versionEndExcluding":"26.002.21901","matchCriteriaId":"2FEAAE8A-F164-4DCA-8F08-9BC646831744"}]},{"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"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"81994","Ordinal":"1","Title":"Acrobat Reader | Improperly Controlled Modification of Object Pr","CVE":"CVE-2026-81994","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"81994","Ordinal":"1","NoteData":"Acrobat Reader is affected by an Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.","Type":"Description","Title":"Acrobat Reader | Improperly Controlled Modification of Object Pr"}]}}}