Vulnerability · Published Sep 23, 2026 · Assigned by Foxit
CVE-2026-91803Security Vulnerability Report – Foxit PDF Editor/Reader Updater DLL Search Path Hijacking
High 8.8
In plain English
A high-severity uncontrolled search path in Foxit PDF Editor from Foxit Software Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.1%top 98.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor | Versions 2026.2 and earlierVersions 14.0.7 and earlier |
| Foxit Software Inc. | Foxit PDF Reader | Versions 2026.2 and earlier |
Weakness: CWE-427 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H