CVE-2026-91811

HIGH CVSS 3.1: 7.8 EPSS 0.12%
Updated Oct 15, 2026
Foxit
Parameter Value
CVSS 7.8 (HIGH)
Affected Versions 14.0.0.33046 — 2026.2.1.39815
Type CWE-787 (Out-of-bounds Write)
Vendor Foxit
Public PoC No

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s PRC parser due to insufficient validation of vertex indices in triangular fan texture meshes. Successful exploitation could result in memory corruption and an application crash.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 16

Configuration From (including) Up to (excluding)
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
— <= 13.2.5.63482
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
14.0.0.33046 <= 14.0.7.33751
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
2023.1.0.15510 <= 2023.3.0.23028
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
2024.1.0.23997 <= 2024.4.1.27687
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
2025.1.0.27937 <= 2025.3.0.35737
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
2026.1.0.36452 <= 2026.2.0.39747
Foxit Pdf_Reader
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*
— <= 2026.2.0.39747
Microsoft Windows
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
— —
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
— <= 13.2.2.63349
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
14.0.0.68868 <= 14.0.7.69441
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
2023.1.0.55583 <= 2023.3.0.63083
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
2024.1.0.63682 <= 2024.4.1.66479
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
2025.1.0.66692 <= 2025.3.0.69570
Foxit Pdf_Editor
cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
2026.1.0.70169 <= 2026.2.0.72029
Foxit Pdf_Reader
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*
— <= 2026.2.1.39815
Apple Macos
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
— —