CVE-2026-91812

High

Description

A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows man-in-the-middle attackers to bypass certificate validation and package integrity checks, potentially enabling arbitrary code execution with system privileges.

SeverityHigh
CVSS7.9
Exploit probability—
ProductFoxit Pdf Editor
PublishedSep 23, 2026
First seenSep 23, 2026
Weakness typeCWE-295CWE-295

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
foxit pdf_editorv ≤ 13.2.5.63482, 14.0.0.33046 ≤ v ≤ 14.0.7.33751, 2023.1.0.15510 ≤ v ≤ 2023.3.0.23028, 2024.1.0.23997 ≤ v ≤ 2024.4.1.27687, 2025.1.0.27937 ≤ v ≤ 2025.3.0.35737, 2026.1.0.36452 ≤ v ≤ 2026.2.0.39747—
foxit pdf_readerv ≤ 2026.2.0.39747—

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