CVE-2026-91800
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk5th percentile - higher than 5% of all known CVEs
Summary
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.
Risk Assessment
A local attacker could gain root privileges, potentially leading to full system compromise.
Recommendation
Update Foxit PDF Editor for macOS to the latest patched version and restrict modification of configuration values used by the installer.
Other vulnerabilities in Foxit PDF Editor
See all- CVE-2025-55311Medium
In Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2, a crafted PDF can use JavaScript to alter annotation content and then clear the file's modification status. This circumvents digital signature verification by hiding document modifications.
- CVE-2025-55310High
In Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2, an attacker able to alter or replace the static HTML files used by the StartPage feature can cause the application to load malicious or compromised content at startup.
- CVE-2025-55307Low
In Foxit PDF and Editor for Windows before 13.2 and 2025 before 2025.2, opening a malicious PDF containing a crafted JavaScript call to search.query() with a crafted cDIPath parameter (e.g., "/") may cause an out-of-bounds read in internal path-parsing logic, potentially leading to information disclosure or memory corruption.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS