CVE Database · CVE-2026-34621
CVSS v3.1
8.6
EPSS
7.09%
Published
Apr 11, 2026
Modified
Apr 13, 2026
CISA Known Exploited Vulnerability
Added: 2026-04-13 · Due: 2026-04-27
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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.
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (8)
References (2)