CVE-2026-91800

A local privilege escalation vulnerability exists in the installer of Foxit PDF Editor for macOS due to insufficient validation of a user-modifiable configuration value during high-privilege upgrades. A local attacker could exploit this issue to execute arbitrary commands with root privileges.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://www.foxit.com/support/security-bulletins.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:foxit:pdf_editor::::::::
	cpe:2.3:a:foxit:pdf_editor::::::::
	cpe:2.3:a:foxit:pdf_editor::::::::
	cpe:2.3:a:foxit:pdf_editor::::::::
	cpe:2.3:a:foxit:pdf_editor::::::::
	cpe:2.3:a:foxit:pdf_editor::::::::
	cpe:2.3:a:foxit:pdf_reader::::::::

cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*

History

15 Oct 2026, 15:06

Type	Values Removed	Values Added
References	~~() https://www.foxit.com/support/security-bulletins.html -~~	() https://www.foxit.com/support/security-bulletins.html - Vendor Advisory
CPE		cpe:2.3:a:foxit:pdf_editor:::::::: cpe:2.3:o:apple:macos:-:::::::* cpe:2.3:a:foxit:pdf_reader::::::::
First Time		Foxit Apple Foxit pdf Editor Foxit pdf Reader Apple macos

23 Sep 2026, 08:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-23 08:17

Updated : 2026-10-15 15:06

NVD link : CVE-2026-91800

Mitre link : CVE-2026-91800

CVE.ORG link : CVE-2026-91800

JSON object : View

Products Affected

apple

macos

foxit

pdf_editor
pdf_reader

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

{"id": "CVE-2026-91800", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-91800", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-23T14:45:25.566451Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "14984358-7092-470d-8f34-ade47a7658a2", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.0}]}, "affected": [{"source": "14984358-7092-470d-8f34-ade47a7658a2", "affectedData": [{"vendor": "Foxit Software Inc.", "product": "Foxit PDF Editor", "versions": [{"status": "affected", "version": "Versions 2026.2 and earlier"}, {"status": "affected", "version": "Versions 14.0.7 and earlier"}], "platforms": ["MacOS"], "defaultStatus": "unaffected"}]}], "published": "2026-09-23T08:17:12.023", "references": [{"url": "https://www.foxit.com/support/security-bulletins.html", "tags": ["Vendor Advisory"], "source": "14984358-7092-470d-8f34-ade47a7658a2"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "14984358-7092-470d-8f34-ade47a7658a2", "description": [{"lang": "en", "value": "CWE-732"}]}], "descriptions": [{"lang": "en", "value": "A local privilege escalation vulnerability exists in the installer of Foxit PDF Editor for macOS due to insufficient validation of a user-modifiable configuration value during high-privilege upgrades. A local attacker could exploit this issue to execute arbitrary commands with root privileges."}], "lastModified": "2026-10-15T15:06:29.017", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "92336E4D-D9B0-4629-97D6-028308036214", "versionEndIncluding": "13.2.6.63484"}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C887A2B3-8FF9-4F97-9580-D085BEDE7201", "versionEndIncluding": "14.0.7.69441", "versionStartIncluding": "14.0.0.68868"}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D8785CCE-C44C-4908-9133-13A580D5BECB", "versionEndIncluding": "2023.3.0.63083", "versionStartIncluding": "2023.1.0.55583"}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF043D20-0E28-481C-8756-D1301FAE67D2", "versionEndIncluding": "2024.4.1.66479", "versionStartIncluding": "2024.1.0.63682"}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20698FD4-5E28-4206-ACEA-4FCD24AD23BE", "versionEndIncluding": "2025.3.0.69570", "versionStartIncluding": "2025.1.0.66692"}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "72510597-6566-4748-8F69-099EBF8B5D21", "versionEndIncluding": "2026.2.0.72029", "versionStartIncluding": "2026.1.0.70169"}, {"criteria": "cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EAB06EC-F222-463E-9441-0A6A2FC06288", "versionEndIncluding": "2026.2.0.72029"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "14984358-7092-470d-8f34-ade47a7658a2"}