CVE-2026-91803 | BDVDB-2026-378302 Detail

Foxit SoftwareFoxit PDF Editor

Description#

A local privilege escalation vulnerability exists in the updater of Foxit PDF Editor/Reader due to unsafe loading of dynamic-link libraries from a user-writable directory during high-privilege operations. A local attacker could exploit this issue to execute code with elevated privileges.

Impact#

Local Privilege Escalation

Weaknesses#

CWE-427 Uncontrolled Search Path Element

References#

https://www.foxit.com/support/security-bulletins.html

Exploit#

No public exploit known

History#

Version 12026-09-23Record published in the CVE List.

Published

Published: 2026-09-23
Last modified: 2026-09-23

Vendor information

Vendor: Foxit Software
Product: Foxit PDF Editor

All Foxit Software vulnerabilities

Score

8.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 1.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Versions 2026.2 and earlier
Fixed
Not stated
Vulnerable
Versions 14.0.7 and earlier
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.8 High

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

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

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).