CVE-2026-91809CWE-416

CVE-2026-91809

High · published September 23, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
1.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00116 · 1.5th percentile
Weakness
CWE-416 · Use After Free
Published
2026-09-23T12:17Z
Affected products (7)
ProductVersionsFixed in
foxit/pdf_editor≤ 13.2.5.63482—
foxit/pdf_editor≥ 14.0.0.33046, ≤ 14.0.7.33751—
foxit/pdf_editor≥ 2023.1.0.15510, ≤ 2023.3.0.23028—
foxit/pdf_editor≥ 2024.1.0.23997, ≤ 2024.4.1.27687—
foxit/pdf_editor≥ 2025.1.0.27937, ≤ 2025.3.0.35737—
foxit/pdf_editor≥ 2026.1.0.36452, ≤ 2026.2.0.39747—
foxit/pdf_reader≤ 2026.2.0.39747—
References (1)
EPSS history
Timeline
  • 24 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 23 SEP 07:49Z
    Foxit PDF Editor/Reader Annotation Use-After-Free Information Disclosure Vulnerability
    cvelistv5