MinorCritical vulnerability

CVE-2026-91791 (CVSS 7.8)

NVD · officialPublished Sep 23, 2026Risk 23/100EPSS 0.1%

When processing a specially crafted PDF file, Foxit PDF Editor/Reader may encounter a reentrant execution condition involving JavaScript triggered by page-visibility events. This can cause the application to access a released page-view object while calculating annotation boundaries, resulting in an invalid memory read and application crash.

Technical details

CVSS

7.8

AV:LocalAC:LowPR:NoneUI:RequiredC:HighI:HighA:High

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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