Vulnerability · Published Sep 23, 2026 · Assigned by Foxit
CVE-2026-91798Foxit PDF Editor/Reader Updater Privilege Escalation
High 8.8
In plain English
A high-severity incorrect permission assignment 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 4% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.1%top 95.8% 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 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Foxit Software Inc. | Foxit PDF Editor | Versions 2026.2 and earlierVersions 14.0.7 and earlierVersions 13.2.6 and earlier |
| Foxit Software Inc. | Foxit PDF Reader | Versions 2026.2 and earlier |
Weakness: CWE-732 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H