CVE-2026-34621

HIGHCISA KEV

8.6

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.

CVE Details

CVSS v3.1 Score8.6

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published4/11/2026

Last Modified4/13/2026

Sourcenvd

Honeypot Sightings0

CISA KEV

VendorAdobe

ProductAcrobat and Reader

Vulnerability NameAdobe Acrobat and Reader Prototype Pollution Vulnerability

KEV Date Added2026-04-13

Remediation Due Date2026-04-27

Ransomware UseUnknown

Affected Products

adobe:acrobatadobe:acrobat_dcadobe:acrobat_reader_dcapple:macosmicrosoft:windows

Weaknesses (CWE)

CWE-1321

References

https://helpx.adobe.com/security/products/acrobat/apsb26-43.html(psirt@adobe.com)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34621(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.