CVE-2026-34621

HIGH KEV

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

Title source: cna

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.

Exploits (6)

nomisec WRITEUP 1 stars
by ercihan · poc
https://github.com/ercihan/CVE-2026-34621_PDF_SAMPLE
nomisec WORKING POC 1 stars
by NULL200OK · poc
https://github.com/NULL200OK/cve_2026_34621_advanced
nomisec SUSPICIOUS 1 stars
by eduardorossi84 · poc
https://github.com/eduardorossi84/CVE-2026-34621-POC
nomisec SCANNER
by KeulenR01 · poc
https://github.com/KeulenR01/Remediate-AdobeAcrobat-CVE-2026-34621
nomisec WRITEUP
by ercihan · poc
https://github.com/ercihan/CVE-2026-34621

Scores

CVSS v3 8.6
EPSS 0.0760
EPSS Percentile 91.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Details

CISA KEV 2026-04-13
VulnCheck KEV 2026-04-07
ENISA EUVD EUVD-2026-21675
CWE
CWE-1321
Status published
Products (4)
adobe/acrobat 24.0.0 - 24.001.30362
adobe/acrobat_dc < 26.001.21411
Adobe/Acrobat Reader < 26.001.21367
adobe/acrobat_reader_dc < 26.001.21411
Published Apr 11, 2026
KEV Added Apr 13, 2026
Tracked Since Apr 11, 2026