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CVE-2026-34622

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

Published: Apr 14, 2026Updated: Apr 16, 2026 Sources: CVE List NVD
NVD MITRE
8.6CVSS
HIGH

Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 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.

EPSS Score
0.1%
Top 69.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:CC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-1321

Affected Products

acrobat
adobe
acrobat dc
adobe
acrobat reader dc
adobe
Acrobat Reader
Adobe

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://helpx.adobe.com/security/products/acrobat/apsb26-44.html
helpx.adobe.com

Timeline

Published
Apr 14, 2026
Last Updated
Apr 16, 2026

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