CVE-2026-42171

7.8 HIGH
Published: April 24, 2026 Modified: April 24, 2026
View on NVD

Description

NSIS (Nullsoft Scriptable Install System) 3.06.1 before 3.12 sometimes uses the Low IL temp directory when executing as SYSTEM, allowing local attackers to gain privileges (if they can cause my_GetTempFileName to return 0, as shown in the references).

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Quick Stats

CVSS v3 Score
7.8 / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)