CVE-2026-91799

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of JavaScript array objects. A specially crafted PDF may cause the application to access a released object during array processing, potentially resulting in application crashes or arbitrary code execution.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-10-06: 110-06
Full discourse1 post
  • DFIR Lab@DFIR_Lab

    🚨 HIGH severity CVE-2026-91799 (CVSS 7.8): Use-after-free in Foxit PDF Editor/Reader JavaScript handling. Crafted PDFs can trigger arbitrary code execution. Patch immediately. #CVE #Vulnerability #PatchNow https://t.co/aDQXaDHXwD

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