Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-81994
StatePUBLISHED
Assigneradobe
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-08 21:18:46 UTC
Updated2026-09-10 15:17:47 UTC
DescriptionAcrobat 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.

Risk And Classification

Primary CVSS: v3.1 6.3 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

EPSS: 0.003040000 probability, percentile 0.229050000 (date 2026-09-09)

Problem Types: CWE-1321 | CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
3.1[email protected]Secondary8.2HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
3.1CNACVSS8.2HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Adobe Acrobat All All All All
Application Adobe Acrobat Dc All All All All
Application Adobe Acrobat Reader Dc All All All All
Operating System Apple Macos - All All All
Operating System Microsoft Windows - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Adobe Adobe Acrobat affected 26.002.21900 custom Not specified
CNA Adobe Adobe Acrobat unaffected 26.002.21901 custom Not specified
CNA Adobe Acrobat Reader affected 26.002.21900 custom Not specified
CNA Adobe Acrobat Reader unaffected 26.002.21901 custom Not specified
CNA Adobe Acrobat 2024 affected 24.001.30383 custom Not specified
CNA Adobe Acrobat 2024 unaffected 24.001.30429 custom Not specified

References

ReferenceSourceLinkTags
helpx.adobe.com/security/products/acrobat/apsb26-141.html [email protected] helpx.adobe.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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