Is CVE-2026-91810 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-91810?

CVE-2026-91810 has a CVSS v3 severity of MEDIUM (6.1).

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CVE-2026-91810

Description

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed PDF image masks. Inconsistent image metadata may cause incorrect alpha-channel processing during rendering, resulting in an out-of-bounds read and application crash.