CVE-2026-91800: CWE-732: Incorrect Permission Assignment for Critical Resource in Foxit Software Inc. Foxit PDF Editor
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.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-91800) involves incorrect permission assignment in the Foxit PDF Editor installer on macOS. Specifically, the installer fails to properly validate a configuration value that can be modified by a user during upgrades that require elevated privileges. This flaw enables a local attacker to escalate privileges and execute arbitrary commands as root. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is available to confirm remediation status.
Potential Impact
A local attacker with limited privileges can exploit this vulnerability to gain root-level command execution on affected macOS systems running Foxit PDF Editor. This results in full system compromise, including complete control over system confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious activity related to the Foxit PDF Editor installer.
CVE-2026-91800: CWE-732: Incorrect Permission Assignment for Critical Resource in Foxit Software Inc. Foxit PDF Editor
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.
CVSS v3.1
Score 8.8high
Affected software
Foxit Software Inc.
Foxit PDF Editor
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-91800) involves incorrect permission assignment in the Foxit PDF Editor installer on macOS. Specifically, the installer fails to properly validate a configuration value that can be modified by a user during upgrades that require elevated privileges. This flaw enables a local attacker to escalate privileges and execute arbitrary commands as root. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is available to confirm remediation status.
Potential Impact
A local attacker with limited privileges can exploit this vulnerability to gain root-level command execution on affected macOS systems running Foxit PDF Editor. This results in full system compromise, including complete control over system confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious activity related to the Foxit PDF Editor installer.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Foxit
- Date Reserved
- 2026-09-15T07:34:43.392Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ab387caf7a7c541067c166b
Added to database: 09/23/2026, 08:03:22 UTC
Last enriched: 09/23/2026, 08:19:25 UTC
Last updated: 09/24/2026, 01:57:04 UTC
Views: 7
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