Is CVE-2026-91816 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-91816?

CVE-2026-91816 has a CVSS v3 severity of HIGH (7.8).

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CVE-2026-91816

Description

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF annotations. Reentrant annotation deletion triggered by embedded JavaScript can cause the application to access an annotation object after it has been released, resulting in a use-after-free condition and application crash.