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Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days

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Why This Matters

Microsoft's April 2026 Patch Tuesday addresses a significant number of vulnerabilities, including two zero-days actively exploited in attacks, highlighting ongoing cybersecurity threats. These updates are crucial for both the tech industry and consumers to mitigate risks from remote code execution, privilege escalation, and spoofing attacks, ensuring safer digital environments. Staying current with such patches is vital to protect sensitive data and maintain system integrity.

Key Takeaways

Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.

This Patch Tuesday also addresses eight "Critical" vulnerabilities, 7 of which are remote code execution flaws and the other is a denial of service flaw.

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

93 Elevation of Privilege Vulnerabilities

13 Security Feature Bypass Vulnerabilities

20 Remote Code Execution Vulnerabilities

21 Information Disclosure Vulnerabilities

10 Denial of Service Vulnerabilities

9 Spoofing Vulnerabilities

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

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