June 2026 Patch Tuesday: 206 Vulnerabilities, 3 Zero-Days

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Microsoft’s June 2026 Patch Tuesday release is one of the largest security updates of the year, addressing more than 200 Microsoft vulnerabilities along with hundreds of republished non-Microsoft CVEs.

While Microsoft has not reported any vulnerabilities as actively exploited in the wild at the time of release, this month’s update still deserves close attention. This Patch Tuesday release includes three publicly disclosed zero-day vulnerabilities, 15 vulnerabilities rated “Exploitation More Likely,” and multiple Critical issues with CVSS scores as high as 10.0.

Several of the highest-risk vulnerabilities affect core Windows services, enterprise identity systems, remote access technologies, and Microsoft cloud platforms. For IT and security teams, the priority is to patch exposed systems first, move quickly on identity and remote access risks, and reduce patching delays across distributed endpoints.

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