Out-of-Bounds Write Vulnerability in Foxit PDF Editor/Reader
CVE-2026-91794

7.8HIGH

Key Information:

Vendor

Foxit Inc.

Status
Foxit PDF Editor
Foxit
Vendor
CVE Published:
23 September 2026

What is CVE-2026-91794?

An out-of-bounds write vulnerability has been identified in Foxit PDF Editor/Reader, arising from inadequate checks during the processing of malformed color space data. This flaw can lead to crashes and presents the risk of remote code execution, compromising user data and system integrity. Users are urged to apply updates to ensure their systems remain secure against potential exploitation.

Affected Version(s)

Foxit PDF Editor Windows Versions 2026.2 and earlier

Foxit PDF Editor Windows Versions 14.0.7 and earlier

Foxit PDF Editor Windows Versions 13.2.6 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

Liang Zhu working with TrendAI Zero Day Initiative
.