CVE-2026-34622

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.

Score

CVSS 3.1 8.6 High

Status

Analyzed - psirt@adobe.com

Published

2026-04-14

Last modified

2026-10-26

Weaknesses

CWE-1321

Affected products

• Acrobat (Adobe)
• Acrobat 2024 (Adobe)
• Acrobat Dc (Adobe)
• Acrobat Reader Dc (Adobe)

References

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