CVE-2026-91800
CVSS v3
8.8
HIGH
EPSS Score
0.1 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2026-09-23
- Last Modified
- 2026-09-23
Frequently asked questions
What is 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.
Is CVE-2026-91800 actively exploited?
Active exploitation of CVE-2026-91800 has not been confirmed. Its EPSS score was 0.1% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-91800?
CVE-2026-91800 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2026-91800 affecting your environment?
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