CVE-2026-91809

Published Sep 23, 2026

Last updated 8 days ago

Overview

Description
A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed PDF form fields. Improper validation during field-name traversal may cause the application to access a released object, resulting in an application crash.
Source
14984358-7092-470d-8f34-ade47a7658a2
NVD status
Analyzed
Products
pdf_editor, pdf_reader

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.8
Impact score
5.9
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

14984358-7092-470d-8f34-ade47a7658a2
CWE-416

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.