Vulnerability Monitor

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CVE-2026-91788


When implementing the JavaScript interface, Foxit PDF Editor/Reader did not perform the attribute authorization checks required by the specification. As a result, a trusted malicious PDF could potentially access sensitive content from other documents within the same process and transmit it externally.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.7, requiring local system access to exploit but requires specific conditions to be met though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), 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

2026-09-23T08:17:10.623

Last Modified

2026-10-29T17:11:18.827

Status

Analyzed

Source

14984358-7092-470d-8f34-ade47a7658a2

Severity

CVSSv3.1: 4.7 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-668

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.