CVE-2026-34622CWE-1321

CVE-2026-34622

High · published April 14, 2026

CVSS v3.1
8.6
EPSS
1%
Percentile
51.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00669 · 51.4th percentile
Weakness
CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Published
2026-04-14T21:16Z
Affected products (3)
ProductVersionsFixed in
adobe/acrobat≥ 24.0.0, < 24.001.3036524.001.30365
adobe/acrobat_dc≥ 15.008.20082, < 26.001.2143126.001.21431
adobe/acrobat_reader_dc≥ 15.008.20082, < 26.001.2143126.001.21431
References (1)
https://helpx.adobe.com/security/products/acrobat/apsb26-44.html · [email protected]
EPSS history
Timeline
  • 14 APR 16:18Z
    Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
    cvelistv5