Medium severity · published Sep 23, 2026
CVE-2026-91796
Foxit PDF Editor/Reader importIcon NTLM Response Information Disclosure Vulnerability
6.1
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FP
Foxit PDF Editor · Foxit Software Inc.
Versions 2026.2 and earlier; Versions 14.0.7 and earlier; Versions 13.2.6 and earlier · source: vendor
FP
Foxit PDF Reader · Foxit Software Inc.
Versions 2026.2 and earlier · source: vendor
PE
Pdf Editor · Foxit
through 13.2.5.63482; 14.0.0.33046 through 14.0.7.33751; 2023.1.0.15510 through 2023.3.0.23028; 2024.1.0.23997 through 2024.4.1.27687; 2025.1.0.27937 through 2025.3.0.35737; 2026.1.0.36452 through 2026.2.0.39747 · source: NVD
PR
Pdf Reader · Foxit
through 2026.2.0.39747 · source: NVD
In the news
VulnerabilityMedium
ZDI-26-732: Foxit PDF Reader importIcon NTLM Response Information Disclosure Vulnerability
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.
Sep 23, 2026·Zero Day Initiative
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91796
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91796
Vendor Advisory
https://www.foxit.com/support/security-bulletins.html
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