ZDI-26-732: Foxit PDF Reader importIcon NTLM Response Information Disclosure Vulnerability
Published Sep 23, 2026
·Updated
This vulnerability allows remote attackers to disclose NTLM responses on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-91796.
Affected Software
1 affected component
Foxit PDF Reader
Event History
Sep 23, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
The attacker must entice the target to visit a malicious page or open a malicious file. Exploitation is remote but requires user interaction.
2
What information could be exposed if exploitation succeeds?
A successful attack can disclose NTLM responses from an affected Foxit PDF Reader installation.
3
How severe is this issue according to the available advisory data?
The advisory assigns a CVSS rating of 3.3, indicating a relatively low-rated issue with user interaction required.