CVE-2026-91795Foxit PDF Editor/Reader FileOpen Uninitialized Variable Remote Code Execution Vulnerability
Updated under an hour ago ()
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It affects Foxit Software Inc. Foxit PDF Editor and 3 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-822
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Foxit
- NVD analysis
- Analyzed
- Record last updated
- Sep 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Foxit Software Inc. Foxit PDF Editor foxit_software:foxit_pdf_editor (from the name) | Versions 2026.2 and earlier; Versions 14.0.7 and earlier; Versions 13.2.6 and earlier | CNA record |
Foxit Software Inc. Foxit PDF Reader foxit_software:foxit_pdf_reader (from the name) | Versions 2026.2 and earlier | CNA record |
foxit pdf_editor foxit:pdf_editor | through 13.2.5.63482; from 14.0.0.33046 through 14.0.7.33751; from 2023.1.0.15510 through 2023.3.0.23028; from 2024.1.0.23997 through 2024.4.1.27687; from 2025.1.0.27937 through 2025.3.0.35737; from 2026.1.0.36452 through 2026.2.0.39747 | NVD |
foxit pdf_reader foxit:pdf_reader | through 2026.2.0.39747 | NVD |
References
- https://www.foxit.com/support/security-bulletins.htmlvendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.