7.8High

CVE-2026-91795Foxit PDF Editor/Reader FileOpen Uninitialized Variable Remote Code Execution Vulnerability

Foxit Software Inc. Foxit PDF Editor; Foxit Software Inc. Foxit PDF Reader Published: (1 month ago)

Description

Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and write access violations and potentially enabling arbitrary code execution.

Weakness (CWE): CWE-822

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
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
foxit pdf editor ≤ 13.2.5.63482
foxit pdf reader ≤ 2026.2.0.39747

References and patches

CPE matches (NVD) (7)

  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≤ 13.2.5.63482
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 14.0.0.33046 ≤ 14.0.7.33751
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 2023.1.0.15510 ≤ 2023.3.0.23028
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 2024.1.0.23997 ≤ 2024.4.1.27687
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 2025.1.0.27937 ≤ 2025.3.0.35737
  • cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:* ≥ 2026.1.0.36452 ≤ 2026.2.0.39747
  • cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:* ≤ 2026.2.0.39747