High CVSS 7.3

Overview

Foxit PDF Reader Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Foxit PDF Reader. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the product installer. By creating a junction, an attacker can abuse the installer process to create an arbitrary file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-25408.

Risk analysis

This vulnerability is rated 🟠 HIGH.

  • CVSS: 7.3 (HIGH)
  • Detected tags: priv_esc, rce (tag impact: VERY HIGH)

Recommended actions:

  • Fix privilege escalation urgently.
  • Enforce least-privilege and strengthen EDR detection.
  • Patch/upgrade immediately (remote code execution).
  • Reduce exposure (WAF/segmentation), minimize attack surface.

Recommended tools

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