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Microsoft Patch Tuesday March 2026 – 78 Vulnerabilities Fixed, Including One 0-day

ID: 1d76ad47-f317-5ece-a783-68bfe4f471a3

STIX ID: report--1d76ad47-f317-5ece-a783-68bfe4f471a3

Feed Name: cybersecurityNews.com

Threat Score
75/100

Date Published: 2026-03-10

Date Updated: 2026-04-21

Author: Guru Baran

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**Microsoft March 2026 Patch Tuesday:** Microsoft released fixes for 78 vulnerabilities across Windows, Office, Azure, SQL Server and .NET on March 10, 2026, highlighting one actively exploited zero-day (CVE-2026-21262), several Critical-rated RCEs in Office/Excel and multiple Windows elevation-of-privilege and cloud-focused flaws; organizations are urged to prioritize immediate patching of the zero-day, Critical Office/Excel bugs, Windows Kernel/SMB EoP issues, and SharePoint RCEs.

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