CVE-2026-91813

A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation. This could enable local attackers to execute arbitrary code with elevated privileges.

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.09% chance of exploitation in the next 30 days; higher than 0% of CVEs (scores of 2026-10-25)

CWE

CWE-367

Published

2026-09-23

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• foxit:pdf_editor
• foxit:pdf_reader

References

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

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