CVE-2026-57240: Foxit PDF Editor/Reader Form Field Use-After-Free Remote Code Execution Vulnerability
Published Jul 8, 2026
·Updated
When the application opens a PDF file and JavaScript deletes the PDF fields, the subsequent logic still uses the old field pointers, resulting in invalid pointer references and causing the application to crash.
Affected Software
9 affected components
Foxit Foxit PDF Editor/Reader
All of the following
Any of the following
Foxit PDF Editor<=13.2.4.24048
Foxit PDF Editor>=14.0.0.33046<=14.0.4.33508
Foxit PDF Editor>=2023.1.0.15510<=2023.3.0.23028
Foxit PDF Editor>=2024.1.0.23997<=2024.4.1.27687
Foxit PDF Editor>=2025.1.0.27937<=2025.3.0.35737
Foxit PDF Editor>=2026.1.0.36452<=2026.1.1.36485
Foxit PDF Reader<=2026.1.1.36485
Microsoft Windows
Event History
Jul 8, 2026
CVE Published
via MITRE·07:36 AM
Data Sourced
via MITRE·07:36 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-57240?
CVE-2026-57240 has a high severity score of 7.8.
2
What type of vulnerability is CVE-2026-57240?
CVE-2026-57240 is a use-after-free vulnerability that can lead to remote code execution.
3
How do I fix CVE-2026-57240?
To fix CVE-2026-57240, update to the latest version of Foxit PDF Editor/Reader that addresses this vulnerability.
4
What are the consequences of exploiting CVE-2026-57240?
Exploiting CVE-2026-57240 can lead to application crashes and potential remote code execution.
5
Which software is affected by CVE-2026-57240?
CVE-2026-57240 affects Foxit PDF Editor and Foxit Reader.