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'This one just needs a script': Researchers find ultimate Windows kill switch which can disable antivirus with almost no user interaction
Researchers discovered a Windows vulnerability allowing attackers to disable antivirus software with minimal user interaction. Dubbed a near-universal "kill switch," the flaw could neutralize security tools across Windows systems. Microsoft addressed the issue in its April 2025 Patch Tuesday update. Additional fixes and mitigations are also available for users unable to apply the cumulative update immediately.