VULNERABILITY INTELLIGENCE
CVE-2021-39837
CVSS score7.8 HIGH
EPSS probability65.25%
CISA KEVNot currently listed
Published2021-09-29
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability in the processing of the AcroForm deleteItemAt action 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.
Weakness classification
- psirt@adobe.com: CWE-416
Primary references
- psirt@adobe.com — Release Notes, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory