CVE-2026-91803
highA local privilege escalation vulnerability exists in the updater of Foxit PDF Editor/Reader due to unsafe loading of dynamic-link libraries from a user-writabl…
Vendor / product: Foxit — pdf editor
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.
CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-09-23 08:17
Modified: 2026-10-08 14:05
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:55 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
foxit / pdf_editor ≤13.2.5.63482, ≥14.0.0.33046 ≤14.0.7.33751, ≥2023.1.0.15510 ≤2023.3.0.23028, ≥2024.1.0.23997 ≤2024.4.1.27687, ≥2025.1.0.27937 ≤2025.3.0.35737, ≥2026.1.0.36452 ≤2026.2.0.39747
foxit / pdf_reader ≤2026.2.0.39747
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://www.foxit.com/support/security-bulletins.html
References
- https://www.foxit.com/support/security-bulletins.html 14984358-7092-470d-8f34-ade47a7658a2
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:55 UTC · record ↗