Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2026-91798


A local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure permission configuration that allows the configuration file to be modified by regular users, which may lead to arbitrary script execution with higher privileges.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 4 products from foxit, from foxit, from microsoft and 1 other, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2026, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2026-09-23T08:17:11.793

Last Modified

2026-10-29T17:14:40.510

Status

Analyzed

Source

14984358-7092-470d-8f34-ade47a7658a2

Severity

CVSSv3.1: 8.8 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-732

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application foxit pdf_editor ≤ 13.2.6.24111 Yes
Application foxit pdf_editor ≤ 14.0.7.33751 Yes
Application foxit pdf_editor ≤ 2023.3.0.23028 Yes
Application foxit pdf_editor ≤ 2024.4.1.27687 Yes
Application foxit pdf_editor ≤ 2025.3.0.35737 Yes
Application foxit pdf_editor ≤ 2026.2.0.39747 Yes
Application foxit pdf_reader ≤ 2026.2.0.39747 Yes
Operating System microsoft windows - No
Application foxit pdf_editor ≤ 13.2.6.63484 Yes
Application foxit pdf_editor ≤ 14.0.7.69441 Yes
Application foxit pdf_editor ≤ 2023.3.0.63083 Yes
Application foxit pdf_editor ≤ 2024.4.1.66479 Yes
Application foxit pdf_editor ≤ 2025.3.0.69570 Yes
Application foxit pdf_editor ≤ 2026.2.0.72029 Yes
Application foxit pdf_reader ≤ 2026.2.0.72029 Yes
Operating System apple macos - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For foxit's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.