“Prioritize Azure AD security updates for M365 tenants today; don't wait for your normal Patch Tuesday cycle.”
August Patch Tuesday: Azure AD EoP (CVSS 9.9) and M365 Admin Centre Crypto Flaw Among 421 CVEs Patched
Microsoft's August 2026 Patch Tuesday resolved 421 CVEs across Windows, Office, Azure, Exchange, SharePoint and Defender. Standout cloud fixes include CVE-2026-50481 (Azure Active Directory EoP, CVSS 9.9), CVE-2026-59115 (Entra Provisioning Service EoP, CVSS 9.9), and CVE-2026-62873 (M365 Admin Centre improper cryptographic signature verification, CVSS 9.8 — unauthenticated remote EoP). Apply the August cumulative updates to all Azure-connected and M365-managed endpoints immediately.
Read more →M365 Search Broken Across Outlook, SharePoint & OneDrive — Active Incident MO1456424
Microsoft has confirmed an ongoing outage affecting search functionality in Microsoft 365 apps including Outlook on the web, Outlook desktop, SharePoint Online, and OneDrive, tracked under incident ID MO1456424. The root cause is identified as a recent deployment that introduced a resource-handling defect. No confirmed workaround; monitor the Microsoft 365 Admin Center for updates.
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