- June 2026 Patch Tuesday release fixes nearly 200 Windows vulnerabilities, Microsoft’s largest release to date
- It includes Chaotic Eclipse’s GreenPlasma (CVE‑2026‑45586) and YellowKey (CVE‑2026‑45585), disclosed without coordination
- AI‑driven bug discovery fueling record‑high patch volumes, expected to continue growing
The June 2026 Patch Tuesday cumulative update for Microsoft’s Windows operating system has been released - and is, by far, the biggest one the company has ever released.