ZDI-26-731: Foxit PDF Reader FileOpen Uninitialized Variable Remote Code Execution Vulnerability
Published Sep 23, 2026
·Updated
This vulnerability allows remote attackers to execute arbitrary code 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 7.8. The following CVEs are assigned: CVE-2026-91795.
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
Which CVE identifier should be used to track this issue?
Track this vulnerability as CVE-2026-91795.
2
What severity rating has been assigned?
ZDI assigned a CVSS score of 7.8.
3
When was this advisory published?
The advisory was published on 2026-09-23.