June 9, 2026—KB5094042 (Monthly Rollup)

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April 14, 2026—KB5082127 (Monthly Rollup)

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Support Statement — Exchange Web Services (EWS) Deprecation

Challenge Microsoft has announced the deprecation of Exchange Web Services EWS in Exchange Online, with the initial phase-out target of October 1, 2026. Veeam Backup for Microsoft 365 and Veeam Data Cloud for Microsoft 365 currently leverage EWS for Exchange Online backup functionality. Note: Thi...

March 10, 2026—KB5078775 (Monthly Rollup)

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February 10, 2026—KB5075971 (Monthly Rollup)

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November 11, 2025—KB5068905 (Monthly Rollup)

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November 11, 2025—KB5068907 (Monthly Rollup)

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Microsoft to Block Unauthorized Scripts in Entra ID Logins with 2026 CSP Update

Microsoft has announced plans to improve the security of Entra ID authentication by blocking unauthorized script injection attacks starting a year from now. The update to its Content Security Policy CSP aims to enhance the Entra ID sign-in experience at "login.microsoftonline.com" by only letting...

September 9, 2025—KB5065507 (Monthly Rollup)

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