PT-2026-32093 · Adobe · Acrobat Reader

Published 2026-04-11 · Updated 2026-04-11 · CVE-2026-34621

Mitre

CVSS v3.1

9.6

Critical

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

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.

Fix

Prototype Pollution

Weakness Enumeration

CWE-1321

Related Identifiers

CVE-2026-34621

Affected Products

Acrobat Reader

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-34621 · Security Note
• https://helpx.adobe.com/security/products/acrobat/apsb26-43.html · Vendor Advisory