CVE-2026-91794 — HIGH (7.8)

Vulnerability Description

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.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-787

References

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

FAQ

What is CVE-2026-91794?

CVE-2026-91794 is a vulnerability with a CVSS score of 7.8 (HIGH). 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, ...

How severe is CVE-2026-91794?

CVE-2026-91794 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-91794?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.