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Microsoft April Update Fixes 167 Vulnerabilities, Urges Immediate Action

4/18/2026

Summary

Story summary

Microsoft Corporation's April Patch Tuesday update, released on April 14, 2026, addresses 167 security vulnerabilities, including two critical zero-days, making it one of the largest Patch Tuesdays in history.
CVE-2026-32201 affects Microsoft SharePoint Server and allows attackers to spoof trusted content.
CVE-2026-33825 is an elevation of privilege in Microsoft Defender that could grant full system control.
Experts emphasize immediate patching and monitoring to mitigate risks.

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Story summary

Microsoft Corporation's April Patch Tuesday update, released on April 14, 2026, addresses 167 security vulnerabilities, including two critical zero-days, making it one of the largest Patch Tuesdays in history.
CVE-2026-32201 affects Microsoft SharePoint Server and allows attackers to spoof trusted content.
CVE-2026-33825 is an elevation of privilege in Microsoft Defender that could grant full system control.
Experts emphasize immediate patching and monitoring to mitigate risks.