CVE-2025-43715

HighCVSS 8.1/10Last modified Oct 15, 2026

Description

Nullsoft Scriptable Install System (NSIS) before 3.11 on Windows allows local users to escalate privileges to SYSTEM during an installation, because the temporary plugins directory is created under %WINDIR%\temp and unprivileged users can place a crafted executable file by winning a race condition. This occurs because EW_CREATEDIR does not always set the CreateRestrictedDirectory error flag.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-754

Affected software

No affected versions have been published.

Timeline

Published: Apr 17, 2025
Last modified: Oct 15, 2026
NVD status: Deferred

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