CVE-2026-91793

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

When opening a specially crafted PDF, Foxit PDF Editor/Reader executes scripts that modify annotation rich-text attributes containing malformed font data. During subsequent annotation appearance reconstruction, it accesses an object after it has been released, resulting in a use-after-free condition and an application crash.

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: CVE-2026-91793 | CVSS 7.8 Foxit PDF Editor/Reader use-after-free vulnerability via crafted PDFs. Leads to code execution & app crash when processing malformed annotation fonts. User interaction required. #CVE #Vulnerability #PatchNow https://t.co/Er6gtkQFkA

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    142 followersView on X

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