Critical Windows PowerShell Vulnerability CVE-2025-54100: Update Now

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Multiple Critical Windows Vulnerabilities Discovered and Exploited Three critical vulnerabilities in Windows systems have been reported, including CVE-2025-59230, which allows attackers to gain admin rights, and CVE-2025-54100, a PowerShell vulnerability requiring urgent patches. Additionally, CVE-2025-9491 has been exploited by advanced persistent threat (APT) groups since at least 2017, with ongoing attacks attributed to UNC6384. 3 sources 74