VULNERABILITY INTELLIGENCE

CVE-2026-34621

CVSS score8.6 HIGH
EPSS probability7.23%
CISA KEVKnown exploited vulnerability
Published2026-04-11
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Known Exploited Vulnerability

Adobe Acrobat and Reader Prototype Pollution Vulnerability

Vendor / product: Adobe / Acrobat and Reader

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.

Weakness classification

  • psirt@adobe.com: CWE-1321

Primary references