CVE-2026-57239 Foxit Software Inc. CVE debrief

Who should care

System administrators and security teams should be aware of this vulnerability, especially if they use products from the affected vendor. Although the vendor is unknown, the vulnerability's high severity and potential for privilege escalation make it a concern for organizations prioritizing security.

Technical summary

The vulnerability, CVE-2026-57239, arises from the direct execution of user-controllable executable files by high-privilege processes. This allows low-privilege users to potentially elevate their privileges to NT AUTHORITYSYSTEM. The CVSS:3.1 vector is AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N, indicating a high severity score of 8.2.

Defensive priority

Given the high severity and potential impact of this vulnerability, defensive measures should be prioritized. Organizations should verify their inventory of affected products, apply vendor patches or workarounds when available, and implement compensating controls to mitigate the risk of privilege escalation.

Recommended defensive actions

• Verify inventory of affected products
• Apply vendor patches or workarounds when available
• Implement compensating controls to mitigate the risk of privilege escalation
• Monitor for suspicious activity related to executable file execution
• Consider restricting access to high-privilege processes

Evidence notes

The CVE record was published on 2026-07-08T09:16:31.817Z and has not been modified since then. The NVD entry is currently in the 'Received' status. Limited information is available about the affected product and vendor, making it essential to rely on official sources for updates and patches.

Official resources