Foxit PDF Editor/Reader FileOpen Uninitialized Variable Remote Code Execution Vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-91795
StatePUBLISHED
AssignerFoxit
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-23 08:17:11 UTC
Updated2026-09-23 17:58:26 UTC
DescriptionFoxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and write access violations and potentially enabling arbitrary code execution.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 14984358-7092-470d-8f34-ade47a7658a2

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.001200000 probability, percentile 0.020550000 (date 2026-09-23)

Problem Types: CWE-822 | CWE-822 CWE-822 Untrusted pointer dereference

VersionSourceTypeScoreSeverityVector
3.114984358-7092-470d-8f34-ade47a7658a2Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.1CNACVSS7.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Foxit Software Inc. Foxit PDF Editor affected Versions 2026.2 and earlier Windows
CNA Foxit Software Inc. Foxit PDF Editor affected Versions 14.0.7 and earlier Windows
CNA Foxit Software Inc. Foxit PDF Editor affected Versions 13.2.6 and earlier Windows
CNA Foxit Software Inc. Foxit PDF Reader affected Versions 2026.2 and earlier Windows

References

ReferenceSourceLinkTags
www.foxit.com/support/security-bulletins.html 14984358-7092-470d-8f34-ade47a7658a2 www.foxit.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Pwn2Sleep working with TrendAI Zero Day Initiative (en)

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report