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.
History

Mon, 13 Apr 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Adobe acrobat
Adobe acrobat Dc
Adobe acrobat Reader Dc
Apple
Apple macos
Microsoft
Microsoft windows
CPEs cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Adobe acrobat
Adobe acrobat Dc
Adobe acrobat Reader Dc
Apple
Apple macos
Microsoft
Microsoft windows

Mon, 13 Apr 2026 18:15:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 13 Apr 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-04-13T00:00:00+00:00', 'dueDate': '2026-04-27T00:00:00+00:00'}


Mon, 13 Apr 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Adobe
Adobe acrobat Reader
Vendors & Products Adobe
Adobe acrobat Reader

Sun, 12 Apr 2026 05:00:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}


Sat, 11 Apr 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sat, 11 Apr 2026 07:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
Weaknesses CWE-1321
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: adobe

Published:

Updated: 2026-04-14T03:55:27.955Z

Reserved: 2026-03-30T17:30:36.490Z

Link: CVE-2026-34621

cve-icon Vulnrichment

Updated: 2026-04-11T17:06:37.524Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-11T07:16:03.633

Modified: 2026-04-13T21:23:27.000

Link: CVE-2026-34621

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-13T12:56:37Z