By Pierluigi Paganini
Publication Date: 2026-04-15 05:18:00
Microsoft Patch Tuesday for April 2026 fixed actively exploited SharePoint zero-day
April 15, 2026 
Microsoft Patch Tuesday security updates for April 2026 fixed 165 vulnerabilities, including an actively exploited SharePoint zero-day.
Microsoft Patch Tuesday security updates addressed 165 vulnerabilities, making it one of the largest updates by CVE count. One of the most interesting flaws fixed by the IT giant is a critical SharePoint zero-day, tracked as CVE-2026-32201, already exploited in attacks in the wild.
Security experts highlight the scale and urgency of this release, urging organizations to apply patches quickly to reduce exposure and prevent potential compromise from actively targeted flaws.
Eight of these flaws are rated Critical, two are rated as Moderate, and the rest are rated Important in severity.
CVE-2026-32201 (CVSS score of 6.5) is a spoofing vulnerability in…
