CVE-2026-81994 (GCVE-0-2026-81994)
Vulnerability from cvelistv5
Published
2026-09-08 20:30
Modified
2026-09-10 14:59
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') ()
Summary
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.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adobe | Adobe Acrobat |
Version: 0 < Patch: 26.002.21901 |
||||||||||||
|
||||||||||||||
{
"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 (\u0027Prototype Pollution\u0027) 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 (\u0027Prototype Pollution\u0027) (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 (\u0027Prototype Pollution\u0027) (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",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-81994\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-09T17:29:10.269154Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-09T17:29:16.554Z\"}}], \"cna\": {\"title\": \"Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027) (CWE-1321)\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.2, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N\", \"modifiedScope\": \"CHANGED\", \"temporalScore\": 8.2, \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"remediationLevel\": \"NOT_DEFINED\", \"reportConfidence\": \"NOT_DEFINED\", \"temporalSeverity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"environmentalScore\": 8.2, \"privilegesRequired\": \"NONE\", \"exploitCodeMaturity\": \"NOT_DEFINED\", \"integrityRequirement\": \"NOT_DEFINED\", \"modifiedAttackVector\": \"LOCAL\", \"confidentialityImpact\": \"HIGH\", \"environmentalSeverity\": \"HIGH\", \"availabilityRequirement\": \"NOT_DEFINED\", \"modifiedIntegrityImpact\": \"HIGH\", \"modifiedUserInteraction\": \"REQUIRED\", \"modifiedAttackComplexity\": \"LOW\", \"confidentialityRequirement\": \"NOT_DEFINED\", \"modifiedAvailabilityImpact\": \"NONE\", \"modifiedPrivilegesRequired\": \"NONE\", \"modifiedConfidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Adobe\", \"product\": \"Adobe Acrobat\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"26.002.21900\"}, {\"status\": \"unaffected\", \"version\": \"26.002.21901\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Adobe\", \"product\": \"Acrobat Reader\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"26.002.21900\"}, {\"status\": \"unaffected\", \"version\": \"26.002.21901\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Adobe\", \"product\": \"Acrobat 2024\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"24.001.30383\"}, {\"status\": \"unaffected\", \"version\": \"24.001.30429\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-09-08T17:00:00.000Z\", \"references\": [{\"url\": \"https://helpx.adobe.com/security/products/acrobat/apsb26-141.html\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Acrobat Reader is affected by an Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027) 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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1321\", \"description\": \"Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027) (CWE-1321)\"}]}], \"providerMetadata\": {\"orgId\": \"078d4453-3bcd-4900-85e6-15281da43538\", \"shortName\": \"adobe\", \"dateUpdated\": \"2026-09-08T20:30:55.814Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-81994\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-10T14:59:14.097Z\", \"dateReserved\": \"2026-08-27T21:20:45.366Z\", \"assignerOrgId\": \"078d4453-3bcd-4900-85e6-15281da43538\", \"datePublished\": \"2026-09-08T20:30:55.814Z\", \"assignerShortName\": \"adobe\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…