CVE-2021-40726

HighCVSS 7.8/10Last modified Jun 17, 2026

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 when processing AcroForm field that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 7, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-407277.8Access of Memory Location After End of Buffer (CWE-788CVE-2021-407287.8Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and eaCVE-2021-407293.3Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and eaCVE-2021-40738.1The RegistrationMagic WordPress plugin made it possible for unauthenticated users to log in as any site user, including administrators, if tCVE-2021-407303.3Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and eaCVE-2021-407317.8Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and eaCVE-2021-407326.1XMP Toolkit version 2020.1 (and earlier) is affected by a null pointer dereference vulnerability that could result in leaking data from certCVE-2021-407337.8Adobe Animate version 21.0.9 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious .psd filCVE-2021-407347.8Adobe Audition version 14.4 (and earlier) is affected by a memory corruption vulnerability when parsing a SVG file, potentially resulting inCVE-2021-407357.8Adobe Audition version 14.4 (and earlier) is affected by a memory corruption vulnerability, potentially resulting in arbitrary code executioCVE-2021-407367.8Adobe Audition version 14.4 (and earlier) is affected by a memory corruption vulnerability, potentially resulting in arbitrary code executioCVE-2021-407375.5Adobe Audition version 14.4 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An
CVE-2021-40726: High severity, CVSS 7.8 | Vulnix