CVE-2026-34622 — Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)

Description (CNA)

Acrobat Reader versions 26.001.21411, 24.001.30360, 24.001.30362 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.

Affected (CNA)

Vendor / product	Versions
Adobe / Acrobat DC	affected 0 through 26.001.21411; unaffected 26.001.21431
Adobe / Acrobat Reader DC	affected 0 through 26.001.21411; unaffected 26.001.21431
Adobe / Acrobat 2024	affected 0 through 24.001.30362 (Win), 24.001.30360 (Mac); unaffected 24.001.30365

CWE

CWE-1321

References

https://helpx.adobe.com/security/products/acrobat/apsb26-44.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.