CVE-2026-91788 — MEDIUM (4.7)

Vulnerability Description

When implementing the JavaScript interface, Foxit PDF Editor/Reader did not perform the attribute authorization checks required by the specification. As a result, a trusted malicious PDF could potentially access sensitive content from other documents within the same process and transmit it externally.

CVSS Score

4.7

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-668

References

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

FAQ

What is CVE-2026-91788?

CVE-2026-91788 is a vulnerability with a CVSS score of 4.7 (MEDIUM). When implementing the JavaScript interface, Foxit PDF Editor/Reader did not perform the attribute authorization checks required by the specification. As a result, a trusted malicious PDF could potenti...

How severe is CVE-2026-91788?

CVE-2026-91788 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-91788?

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