8.6

CVE-2026-34621

Warnung
Medienbericht

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

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
AdobeAcrobat Dc SwEditioncontinuous Version < 26.001.21411
   ApplemacOS Version-
   MicrosoftWindows Version-
AdobeAcrobat Reader Dc SwEditioncontinuous Version < 26.001.21411
   ApplemacOS Version-
   MicrosoftWindows Version-
AdobeAcrobat SwEditionclassic Version >= 24.0.0 < 24.001.30362
   MicrosoftWindows Version-
AdobeAcrobat SwEditionclassic Version >= 24.0.0 < 24.001.30360
   ApplemacOS Version-
VulnDex Vulnerability Enrichment
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13.04.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

Adobe Acrobat and Reader Prototype Pollution Vulnerability

Schwachstelle

Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution.

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 12.16% 0.939
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
psirt@adobe.com 8.6 1.8 6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.