Microsoft breaks Patch Tuesday record with fixes for over 200 security flaws
- 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.
The update addresses almost 200 security vulnerabilities across Windows systems, as well as supported software, dozens of which are labeled as “critical”, meaning they could cause serious damage to the users.
Among the flaws are two vulnerabilities disclosed by Chaotic Eclipse, a mysterious researcher who conflicted with Microsoft recently over how vulnerabilities were reported, and researchers credited/compensated.
Using AI to spot security issues
By fixing almost 200 flaws, Microsoft essentially broke its own record - partly due to the use of Artificial...
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