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invoke webrequest

About this tag
The tag invoke webrequest covers recent security changes to the PowerShell 5.1 cmdlet Invoke-WebRequest, specifically a December 2025 update (KB5074204) that introduces a confirmation prompt before parsing web content that could execute scripts. This change, linked to CVE-2025-54100, applies to hotpatch-enrolled Windows 11 devices and aims to prevent remote code execution. Discussions include the prompt behavior, the UseBasicParsing parameter as a workaround, and implications for automation and interactive use. The tag is relevant for IT administrators and PowerShell users managing security updates and script execution risks.
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    KB5074204: Windows PowerShell 5.1 prompts before web content parsing

    Microsoft has quietly released KB5074204, a targeted security update for Windows PowerShell 5.1 that injects a behavioral safeguard into the frequently abused web‑facing cmdlet pipeline: after installation, the Invoke‑WebRequest command now displays an explicit confirmation prompt warning of the...
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    • hotpatch invoke webrequest powershell 5.1 windows security
    • Replies: 0
    • Forum: Windows News
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    PowerShell 5.1 December 2025 Update: Web Content Script Risk Prompt

    Windows PowerShell is now pausing to warn users when web content fetched with Invoke-WebRequest could execute scripts, a defensive change delivered in Microsoft’s December 2025 security updates that aims to block a high‑severity remote code execution path and force explicit, safer choices for...
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    • Thread
    • automation safety hotpatch invoke webrequest powershell 5.1 powershell security web content parsing windows security
    • Replies: 0
    • Forum: Windows News
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    KB5074204: PowerShell Invoke WebRequest Now Prompts for Confirmation (CVE-2025-54100)

    Microsoft has issued KB5074204, a targeted security update for Windows PowerShell that ships as a hotpatch for devices on the 24H2 and 25H2 code families (OS Builds 26100.7456 and 26200.7456). The patch introduces a notable behavior change: the legacy PowerShell 5.1 cmdlet Invoke‑WebRequest now...
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    • cve 2025 54100 extended security updates invoke webrequest powershell
    • Replies: 0
    • Forum: Windows News
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    PowerShell 5.1 Web Content Parsing: Security Prompt and UseBasicParsing Guide

    Windows PowerShell 5.1 now stops and asks for confirmation before it will parse web pages in a way that could execute scripts found in that content — a safety-first change that will affect interactive use and any automation that previously relied on the old, IE‑backed HTML DOM parsing behavior...
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    • automation risks hotpatching invoke webrequest powershell powershell security usebasicparsing web content parsing web security windows security
    • Replies: 2
    • Forum: Windows News
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