Foxit PDF Editor/Reader Updater Privilege Escalation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-91798
StatePUBLISHED
AssignerFoxit
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-23 08:17:11 UTC
Updated2026-09-23 17:58:26 UTC
DescriptionA local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure permission configuration that allows the configuration file to be modified by regular users, which may lead to arbitrary script execution with higher privileges.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from 14984358-7092-470d-8f34-ade47a7658a2

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

EPSS: 0.001490000 probability, percentile 0.044960000 (date 2026-09-23)

Problem Types: CWE-732 | CWE-732 CWE-732: Incorrect Permission Assignment for Critical Resource

VersionSourceTypeScoreSeverityVector
3.114984358-7092-470d-8f34-ade47a7658a2Secondary8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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, MacOS
CNA Foxit Software Inc. Foxit PDF Editor affected Versions 14.0.7 and earlier Windows, MacOS
CNA Foxit Software Inc. Foxit PDF Editor affected Versions 13.2.6 and earlier Windows, MacOS
CNA Foxit Software Inc. Foxit PDF Reader affected Versions 2026.2 and earlier Windows, MacOS

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: Dominic Musgrave (en)

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