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Microsoft July 2026 Patch Tuesday fixes massive 570 flaws, 3 zero-days

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Today is Microsoft's July 2026 Patch Tuesday, and with it comes security updates for a record-breaking 570 flaws, including two zero-day vulnerabilities exploited in attacks and one publicly disclosed.

Patch Tuesday addresses 59 "Critical" vulnerabilities, 48 of which are remote code execution, 9 are elevation of privilege, 1 is a security bypass, and 1 is a spoofing.

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

254 Elevation of Privilege Vulnerabilities

17 Security Feature Bypass Vulnerabilities

145 Remote Code Execution Vulnerabilities

102 Information Disclosure Vulnerabilities

35 Denial of Service Vulnerabilities

16 Spoofing Vulnerabilities

When BleepingComputer reports on Patch Tuesday security updates, we only count those released by Microsoft today.

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