CVE-2026-42171: Nsis Insecure Temp Fallback
When standard temporary directory validations fail, this code falls back to an alternative temporary directory without checking execution privileges. This may lead to local privilege escalation if the directory is accessible to lower privileged users and the application is running as SYSTEM.
Cgreprules fetch cve-2026-42171-nsis-insecure-temp-fallback --engine opengrepDescription
When standard temporary directory validations fail, this code falls back to an alternative temporary directory without checking execution privileges. This may lead to local privilege escalation if the directory is accessible to lower privileged users and the application is running as SYSTEM.
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