CVE-2021-40728: Adobe Acrobat

High severity, CVSS 7.8. EPSS: 54.6% 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 vulnerability in the processing of the GetURL function on a global object window 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.

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.