CVE-2026-34621 Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

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...

CVE-2026-34621 Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

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...

CVE-2026-34621

CVE-2026-34621 — Adobe Acrobat/Reader Prototype Pollution affects Acrobat Reader DC/Acrobat DC on Windows and macOS. Affected: Acrobat Reader DC 26.001.21367 and earlier; Acrobat DC 26.001.21367 and earlier; Acrobat 2024 24.001.30356 and earlier. Root cause: Improperly Controlled Modification of ...