CVE-2025-54100
PowerShell Remote Code Execution Vulnerability
- Published
- Dec 9, 2025
- Updated
- Apr 16, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 74.3%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Improper neutralization of special elements used in a command ('command injection') in Windows PowerShell allows an unauthorized attacker to execute code locally.
Sources
3CVE-2025-54100 (CVSS 7.8 High) is a command injection vulnerability in the Invoke-WebRequest cmdlet of Windows PowerShell 5.1. It arises from improper neutralization of special elements during the automatic parsing of Web responses.
Proof-of-concept for CVE-2025-54100: XSS in PowerShell's Invoke-WebRequest via mshtml.HTMLDocumentClass, enabling remote code execution when curling malicious JavaScript.
CVE-2025-54100（PowerShell 远程代码执行漏洞）
Responsible use
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