Black October 2026: PHP2Shell, Cisco and the Shrinking Enterprise Vulnerability Window
Two critical PHP flaws went from coordinated disclosure to widespread exploitation attempts within hours. Cisco disclosed critical vulnerabilities across security and communications infrastructure. Oracle's October security update addressed more than 1,200 CVEs, including 95 rated critical. The lesson for enterprise security teams is no longer simply “patch critical vulnerabilities.” It is to identify which critical vulnerabilities can become an operational incident before the normal patch cycle catches up.