CVE-2026-91798 Foxit PDF Editor/Reader - Privilege Escalation

Foxit PDF Editor/Reader contains a local privilege escalation caused by insecure permission configuration in the update daemon, letting local attackers execute arbitrary scripts with higher privileges, exploit requires local access.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.10% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation, Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-732

Vendor fix

Update to the latest version with secure permission configurations.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs