UI Refresh Vulnerability in Foxit Reader Software
CVE-2026-5940

7.8HIGH

Key Information:

Vendor

Foxit Inc.

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

What is CVE-2026-5940?

A vulnerability has been identified in Foxit Reader that occurs when a specific function is called after comments are removed through a script. This action may lead to the access of an invalidated object, which can result in unexpected program crashes and compromised 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
.