CVE-2026-91812

A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows man-in-the-middle attackers to bypass certificate validation and package integrity checks, potentially enabling arbitrary code execution with system privileges.

CVSS v3 7.9 HIGH

7.9^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

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:microsoft:windows:-:*:*:*:*:*:*:*

History

08 Oct 2026, 14:02

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

23 Sep 2026, 08:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-23 08:17

Updated : 2026-10-08 14:02

NVD link : CVE-2026-91812

Mitre link : CVE-2026-91812

CVE.ORG link : CVE-2026-91812

JSON object : View

Products Affected

microsoft

windows

foxit

pdf_editor
pdf_reader

CWE

CWE-295

Improper Certificate Validation

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