CVE-2021-40730: Adobe Acrobat

Low severity, CVSS 3.3. EPSS: 3.9% chance of exploitation in the next 30 days.

Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by a use-after-free that allow a remote attacker to disclose sensitive information on affected installations of of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JPG2000 images.

Affected products

• Adobe Acrobat: from 20.001.30005, up to and including 20.004.30015; from 17.011.30158, up to and including 17.011.30202
• Adobe Acrobat DC: from 15.008.20082, up to and including 21.007.20095; from 15.008.20082, up to and including 21.007.20096
• Adobe Acrobat Reader: from 20.001.30005, up to and including 20.004.30015; from 17.011.30158, up to and including 17.011.30202
• Adobe Acrobat Reader DC: from 15.008.20082, up to and including 21.007.20095; from 15.008.20082, up to and including 21.007.20096

Published 2021-10-15. Last modified 2026-06-17.