
Critical Windows PowerShell Vulnerability CVE-2025-54100: Update Now
An urgent security update has been released to address a critical vulnerability in Windows PowerShell that allows attackers to execute malicious code on affected systems. This security flaw, designated CVE-2025-54100, was disclosed on December 9, 2025, and poses a significant threat to the integrity of computer systems globally. Microsoft classifies the vulnerability as important, with a CVSS severity score of 7.8. The weakness, identified as CWE-77, involves the improper neutralization of special elements used in command injection attacks. Microsoft considers the possibility of this vulnerability being exploited in real-world attacks to be remote. The vulnerability has already been publicly disclosed. Attackers require










