CVE-2022-34221 HIGH

CVE-2022-34221: Adobe Acrobat Reader Type Confusion vulnerability could lead to Arbitrary code execution

Vendor Adobe
Product Acrobat Reader
Weakness CWE-843
Published July 15, 2022
Last update May 27, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Adobe Acrobat Reader versions 22.001.20142 (and earlier), 20.005.30334 (and earlier) and 17.012.30229 (and earlier) are affected by an Access of Resource Using Incompatible Type ('Type Confusion') 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.

Key dates

02Disclosure timeline

July 15, 2022 CVE published
May 27, 2026 Record updated