Microsoft June 2026 Patch Tuesday: Record 200 Vulnerabilities, 3 Zero-Days, RoguePlanet Drops Hours Later — The Most Critical Patch Event of 2026
Microsoft’s June 2026 Patch Tuesday is the largest in history — 200 CVEs, 33 Critical, 83 RCE flaws, wormable CVSS 9.8 in HTTP.sys, MiniPlasma finally patched. Hours after release, Nightmare Eclipse dropped RoguePlanet — new unpatched Windows Defender zero-day, SYSTEM shell, working public PoC. Secure Boot certificate expires June 26. Patch everything today.