CVE-2026-18622
Foxit PDF Editor/Reader's signature-validation pop-up reports modified certified documents as valid
Description
Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered documents, since the UI cannot accurately reflect the actual integrity status of signatures.
INFO
Published Date :
Aug. 13, 2026, 7:17 a.m.
Last Modified :
Aug. 13, 2026, 7:17 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 | MEDIUM | 14984358-7092-470d-8f34-ade47a7658a2 |
Solution
- Update Foxit PDF Editor/Reader to the latest version.
- Verify signature field integrity indicators.
- Apply security patches promptly.
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-2026-18622.
| 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-2026-18622 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-2026-18622
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-2026-18622 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-18622 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
Aug. 13, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Foxit Software Inc.', 'product': 'Foxit PDF Editor', 'versions': [{'status': 'affected', 'version': 'Versions 2026.1.2 and earlier'}, {'status': 'affected', 'version': 'Versions 14.0.5 and earlier'}, {'status': 'affected', 'version': 'Versions 13.2.5 and earlier'}], 'platforms': ['Windows', 'MacOS'], 'defaultStatus': 'unaffected'}, {'vendor': 'Foxit Software Inc.', 'product': 'Foxit PDF Reader', 'versions': [{'status': 'affected', 'version': 'Versions 2026.1.2 and earlier'}], 'platforms': ['Windows', 'MacOS'], 'defaultStatus': 'unaffected'}] Added Description Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered documents, since the UI cannot accurately reflect the actual integrity status of signatures. Added CVSS V3.1 AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N Added CWE CWE-451 Added Reference https://www.foxit.com/support/security-bulletins.html