CISA Orders Federal Agencies to Patch Windows Zero-Day Vulnerability Under Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has mandated federal agencies to patch a Windows vulnerability actively exploited in zero-day attacks. The directive requires agencies to secure their Windows systems against the flaw, though specific technical details such as the CVE ID, affected versions, or exploitation methods were not disclosed in the notice. The order applies to U.S. federal civilian executive branch agencies, emphasizing the urgency of mitigating the threat. No exact deadline or additional impact details were provided beyond the ongoing exploitation. The vulnerability is being addressed under CISA's binding operational directive for critical security flaws.