FoxitCVE-2026-91803
Foxit PDF: privilege escalation
High8.8CVE-2026-91803 · Published Sep 23, 2026
A local privilege escalation vulnerability exists in the updater of Foxit PDF Editor/Reader due to unsafe loading of dynamic-link libraries from a user-writable directory during high-privilege operations. A local attacker could exploit this issue to execute code with elevated privileges.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Foxit PDF Editor Product | <= Versions 2026.2 and earlier | No fix yet |
| <= Versions 14.0.7 and earlier | No fix yet | |
| Foxit PDF Reader Product | <= Versions 2026.2 and earlier | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-427
More Foxit advisories
All Foxit| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 23 | Foxit PDF: out-of-bounds read | Medium6.1 | No fix yet |
| Sep 23 | Foxit PDF: use after free | High7.8 | No fix yet |
| Sep 23 | Foxit PDF: use after free | High7.8 | No fix yet |
| Sep 23 | Foxit PDF: out-of-bounds read | Medium6.1 | No fix yet |
| Sep 23 | Foxit PDF: out-of-bounds write | High7.8 | No fix yet |
| Sep 23 | Foxit PDF: code execution | High7.9 | No fix yet |