CVE-2026-91806

HIGH 7.8

Foxit PDF Editor/Reader Doc Object Use-After-Free Information Disclosure Vulnerability

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF form fields. Embedded JavaScript may access form-field references after the corresponding fields have been released, resulting in an application crash.

CWE	CWE-416
Vendor	foxit software inc.
Product	foxit pdf editor
Published	Sep 23, 2026

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CVSS v3 Breakdown

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

Affected Versions

Foxit Software Inc. / Foxit PDF Editor

Versions 2026.2 and earlier Versions 14.0.7 and earlier Versions 13.2.6 and earlier

Foxit Software Inc. / Foxit PDF Reader

Versions 2026.2 and earlier

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Anonymous working with TrendAI Zero Day Initiative