CVE-2026-34621

No fix known ExploitedEPSS 7%CVSS 8.6

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.

Published 2026-04-11 · In CISA KEV since 2026-04-13 · CVE record · OSV

Products: adobe acrobat_dc, adobe acrobat_reader_dc, Adobe Acrobat 2024