Code execution via attacker-placed search-path files
Published Jun 13, 2025 · Updated Feb 20, 2026
Untrusted search path handling in Microsoft .NET, Visual Studio, and PowerShell allows remote attackers to execute code via placed files. Microsoft identifies attacker-placed files but does not disclose the searched component, filenames, directories, or loading sequence. Exploitation requires user interaction and a favorable search-path condition; successful loading runs attacker code in the affected process.
Summary
What happened
Untrusted search path handling in Microsoft .NET, Visual Studio, and PowerShell allows remote attackers to execute code via placed files. Microsoft identifies attacker-placed files but does not disclose the searched component, filenames, directories, or loading sequence. Exploitation requires user interaction and a favorable search-path condition; successful loading runs attacker code in the affected process.
The record
- CVE
- CVE-2025-30399
- Published
- Jun 13, 2025
- Updated
- Feb 20, 2026
- Vendor
- Microsoft
- Product
- PowerShell 7.5
- Classifications
- CWE-426, T1574.008
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 13, 2025CVE publishedPublication date reported by the CVE source.
- Feb 20, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=7.5.0 <7.5.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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