CVE-2026-57240
Foxit PDF Editor/Reader Form Field Use-After-Free Remote Code Execution Vulnerability
Description
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.
INFO
Published Date :
July 8, 2026, 9:16 a.m.
Last Modified :
July 8, 2026, 9:16 a.m.
Remotely Exploit :
No
Source :
14984358-7092-470d-8f34-ade47a7658a2
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 14984358-7092-470d-8f34-ade47a7658a2 |
Solution
- Update field pointers after JavaScript modifies PDF fields.
- Validate field pointers before accessing them.
- Test PDF handling with JavaScript field manipulation.
- Implement robust error handling for invalid pointers.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-57240.
| URL | Resource |
|---|---|
| https://www.foxit.com/support/security-bulletins.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-57240 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-57240
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-57240 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-57240 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 14984358-7092-470d-8f34-ade47a7658a2
Jul. 08, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Foxit Software Inc.', 'product': 'Foxit PDF Editor', 'versions': [{'status': 'affected', 'version': 'Versions 2026.1.1 and earlier'}, {'status': 'affected', 'version': 'Versions 14.0.4 and earlier'}, {'status': 'affected', 'version': 'Versions 13.2.4 and earlier'}], 'platforms': ['Windows'], 'defaultStatus': 'unaffected'}, {'vendor': 'Foxit Software Inc.', 'product': 'Foxit PDF Reader', 'versions': [{'status': 'affected', 'version': 'Versions 2026.1.1 and earlier'}], 'platforms': ['Windows'], 'defaultStatus': 'unaffected'}] Added Description 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. Added CVSS V3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-416 Added Reference https://www.foxit.com/support/security-bulletins.html