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Microsoft June 2026 Patch Tuesday fixes 6 zero-days, 200 flaws

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Article and title updated as 3 additional zero-days were fixed in the June 2026 Patch Tuesday.

Today is Microsoft's June 2026 Patch Tuesday, with security updates for 200 flaws, including five publicly disclosed zero-day vulnerabilities and one actively exploited in attacks.

This Patch Tuesday addresses 33 "Critical" vulnerabilities, 28 of which are remote code execution, 4 are elevation of privilege, and 1 is an information disclosure flaw.

The number of bugs in each vulnerability category is listed below:

65 Elevation of Privilege Vulnerabilities

19 Security Feature Bypass Vulnerabilities

55 Remote Code Execution Vulnerabilities

30 Information Disclosure Vulnerabilities

7 Denial of Service Vulnerabilities

27 Spoofing Vulnerabilities

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