CVE-2026-5940
Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Description
Calling a function that triggers a UI refresh after removing comments via a script may access an invalidated object, leading to program crashes.
INFO
Published Date :
April 27, 2026, 12:16 p.m.
Last Modified :
April 27, 2026, 12:16 p.m.
Remotely Exploit :
No
Source :
14984358-7092-470d-8f34-ade47a7658a2
Affected Products
The following products are affected by CVE-2026-5940
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 14984358-7092-470d-8f34-ade47a7658a2 | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Ensure objects are valid before UI refresh.
- Validate object lifecycle management.
- Test UI refresh scenarios thoroughly.
- Update affected software components.
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-2026-5940.
| 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-2026-5940 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-2026-5940
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-2026-5940 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-5940 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.
-
New CVE Received by 14984358-7092-470d-8f34-ade47a7658a2
Apr. 27, 2026
Action Type Old Value New Value Added Description Calling a function that triggers a UI refresh after removing comments via a script may access an invalidated object, leading to program crashes. 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