HIGH/ OCTOBER 2, 2026TODAY’S BRIEFING — #196
Fortinet FortiMail zero-day exploited; KillSec ransomware leadership dismantled
Fortinet disclosed critical CVE-2026-104286 in FortiMail under active zero-day exploitation; law enforcement arrested suspected 16-year-old KillSec leader, seized leak site and 110TB of stolen data.
CVE-2026-104286Fortinet FortiMail — Critical RCE exploited in zero-day attacksCVE-2026-69730Microsoft Windows 10 1607 — Patched in Microsoft's ~1,000-CVE batchCVE-2026-69829Microsoft Windows 10 1607 — Patched in Microsoft's ~1,000-CVE batchCVE-2026-81963Microsoft Windows 11 23h2 — Patched in Microsoft's ~1,000-CVE batch
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