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.
| Vendor | Product | Versions |
|---|---|---|
| adobe | acrobat reader | 0, 26.001.21411, 24.001.30362, 24.001.30360 |
Updated affected versions to include 26.001.21411 and 24.001.30362, marked exploit as available, and added new CVE ID CVE-2026-34621.
Updated description with more technical detail, confirmed affected versions, and noted that no exploit is available.
Initial creation
