Vulnerability in Foxit Pdf Editor
CVE-2026-91800
A local privilege escalation vulnerability exists in the installer of Foxit PDF Editor for macOS due to insufficient validation of a user-modifiable configuration value during high-privilege upgrades. A local attacker could exploit this issue to execute arbitrary commands with root privileges.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
- Foxit Pdf Editor
- Foxit Pdf Reader
- Foxit Software Inc. Pdf Editor — versions Versions 14.0.7 and earlier, Versions 2026.2 and earlier
Weakness classification (CWE)
References
- 14984358-7092-470d-8f34-ade47a7658a2 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-91800?
- CVE-2026-91800 is a high-severity vulnerability in Foxit Pdf Editor, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.8/10. Published 2026-09-23.
- How severe is CVE-2026-91800?
- High severity. CVSS v3 base score is 8.8 out of 10.