Document Modification Issues in Foxit Software Products
CVE-2026-5943

7.8HIGH

Key Information:

Vendor

Foxit Inc.

Status
Foxit PDF Editor
Foxit
Vendor
CVE Published:
27 April 2026

What is CVE-2026-5943?

A security vulnerability in Foxit Software arises from document structural anomalies that result in inconsistencies between page elements and their internal index states. This issue occurs when scripts modify the document improperly, leading to the potential access of invalid object references. The result is a crash during page information queries, impacting the application's stability and user experience.

Affected Version(s)

Foxit PDF Editor Windows Versions 2026.1 and earlier

Foxit PDF Editor Windows Versions 14.0.3 and earlier

Foxit PDF Editor Windows Versions 13.2.3 and earlier

References

https://www.foxit.com/support/security-bulletins.html

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Anonymous working with TrendAI Zero Day Initiative
.