CVE-2026-91796 Foxit PDF Editor/Reader importIcon NTLM Response Information Disclosure Vulnerability
Attackers can leak user credential hashes via crafted PDFs triggering SMB authentication without prompts in Foxit PDF Editor/Reader.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-91796?
CVE-2026-91796 is a medium-severity vulnerability in Foxit Pdf Editor, published on 23 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-693
Which versions are affected by CVE-2026-91796?
It affects 2 products.
Products include Foxit Pdf Editor, Foxit Pdf Reader.
How do I fix CVE-2026-91796?
No fix has been published for CVE-2026-91796 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-91796 being exploited?
There is no known exploitation of CVE-2026-91796 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Editor
Sources
Also known as GHSA-3q39-rxpg-hqqg.