{"id":"CVE-2026-42171","aliases":["DEBIAN-CVE-2026-42171","EUVD-2026-25637","GHSA-594m-24qw-wfmp","UBUNTU-CVE-2026-42171"],"status":"published","title":"NSIS (Nullsoft Scriptable Install System) 3.06.1 before 3.12 sometimes uses the Low IL temp...","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 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scriptable install system"},{"vendor":"nullsoft","product":"nullsoft_scriptable_install_system"}],"references":[{"url":"https://nsis.sourceforge.io/Docs/AppendixF.html#v3.12-cl","tags":["Release 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executing as SYSTEM, allowing local attackers to gain privileges (if they can cause my_GetTempFileName to return 0, as shown in the references).","status":"published","published":"2026-04-24T22:16:00Z","modified":"2026-10-17T12:58:54.342113308Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:18.393417Z"}]}}