CVE-2026-34621
Adobe Acrobat and Reader Prototype Pollution Vulnerability
CVSS
8.6
Alta
EPSS
7.2%
p94
KEV
SIM
13 de abr. de 2026
Exploit Today
78
0-100
Publicado: 11 de abr. de 2026 · Última mod.: 26 de out. de 2026 · CWE-1321
Produto
Adobe / Acrobat and Reader
Vulnerabilidade
Adobe Acrobat and Reader Prototype Pollution Vulnerability
Adicionado ao KEV
13 de abr. de 2026
Corrigir até
27 de abr. de 2026
Uso conhecido em ransomware
Não
Descrição resumida
Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution.
Ação necessária
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notas
https://helpx.adobe.com/security/products/acrobat/apsb26-43.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-34621
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.