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CVE-2026-91816highCWE-416

Foxit PDF Editor/Reader AcroForm Use-After-Free Remote Code Execution Vulnerability

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H