CVE-2026-91798

HIGHCVSS 8.8/10EPSS 0.15%

Last modified

CVE-2026-91798 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.15%

4.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FoxitPdf Editor<= 13.2.6.24111
FoxitPdf Editor>= 14.0.0.33046, <= 14.0.7.33751
FoxitPdf Editor>= 2023.1.0.15510, <= 2023.3.0.23028
FoxitPdf Editor>= 2024.1.0.23997, <= 2024.4.1.27687
FoxitPdf Editor>= 2025.1.0.27937, <= 2025.3.0.35737
FoxitPdf Editor>= 2026.1.0.36452, <= 2026.2.0.39747
FoxitPdf Reader<= 2026.2.0.39747
FoxitPdf Editor<= 13.2.6.63484
FoxitPdf Editor>= 14.0.0.68868, <= 14.0.7.69441
FoxitPdf Editor>= 2023.1.0.55583, <= 2023.3.0.63083
FoxitPdf Editor>= 2024.1.0.63682, <= 2024.4.1.66479
FoxitPdf Editor>= 2025.1.0.66692, <= 2025.3.0.69570
FoxitPdf Editor>= 2026.1.0.70169, <= 2026.2.0.72029
FoxitPdf Reader<= 2026.2.0.72029

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-91798?
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.
How severe is CVE-2026-91798?
CVE-2026-91798 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2026-91798?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST