CVE-2026-91794 PUBLISHED

Foxit PDF Editor/Reader DeviceN Colorspace Out-Of-Bounds Write Remote Code Execution Vulnerability

Assigner: Foxit
Reserved: 15.09.2026 Published: 23.09.2026 Updated: 23.09.2026

An out-of-bounds write vulnerability exists in the PDF rendering process of Foxit PDF Editor/Reader due to insufficient consistency and boundary validation when processing malformed color space data, which may cause the program to crash and potentially lead to remote code execution.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.8

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Foxit Software Inc.
Product	Foxit PDF Editor
Versions	Default: unaffected Version Versions 2026.2 and earlier is affected Version Versions 14.0.7 and earlier is affected Version Versions 13.2.6 and earlier is affected

Vendor	Foxit Software Inc.
Product	Foxit PDF Reader
Versions	Default: unaffected Version Versions 2026.2 and earlier is affected

Credits

Liang Zhu working with TrendAI Zero Day Initiative finder

References

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

Problem Types

CWE-787 Out-of-bounds write CWE

Impacts

Potential arbitrary code execution