CVE-2026-91796

Medium

Description

The interface of Foxit PDF Editor/Reader lacks the permission verification for secure reading mode, which allows specially crafted PDFs to trigger external SMB authentication without any security prompts and thereby leak the hash of the user's credentials.

SeverityMedium
CVSS6.1
Exploit probability—
ProductFoxit Pdf Editor
PublishedSep 23, 2026
First seenSep 23, 2026
Weakness typeCWE-693CWE-693

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—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.