MinorCritical vulnerability

CVE-2026-91811 (CVSS 7.8)

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

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s PRC parser due to insufficient validation of vertex indices in triangular fan texture meshes. Successful exploitation could result in memory corruption and an 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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