CVE-2026-34622

HIGH

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

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 8.6
EPSS 0.0024
EPSS Percentile 46.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-1321
Status published
Products (4)
adobe/acrobat 24.0.0 - 24.001.30365
Adobe/Acrobat Reader < 26.001.21411
adobe/acrobat_dc 15.008.20082 - 26.001.21431
adobe/acrobat_reader_dc 15.008.20082 - 26.001.21431
Published Apr 14, 2026
Tracked Since Apr 14, 2026