CVE-2026-34621

CVSS Score & Metrics

Base Score

9.6 / 10

Vector String

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

Vulnerability Description

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.

Vulnerability Details

Published Date

April 11, 2026

Last Modified

April 13, 2026

CWE ID

CWE-1321

Source

NVD

Vendor

Adobe

Product

Acrobat Reader

External References

https://helpx.adobe.com/security/products/acrobat/apsb26-43.html

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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