![(Updated) Content Security Policies (CSP) are coming to SharePoint Online and might impact your custom SPFx solutions [MC1193419]](https://mwpro.co.uk/wp-content/uploads/2025/06/teapot-6123746_1920-1024x683.webp "(Updated) Content Security Policies (CSP) are coming to SharePoint Online and might impact your custom SPFx solutions [MC1193419] 1")
Posted inSharePoint Online
(Updated) Content Security Policies (CSP) are coming to SharePoint Online and might impact your custom SPFx solutions [MC1193419]
Message ID: MC1193419 (Updated) Updated March 13, 2026: We have updated the timeline. Thank you for your patience. We’re improving SharePoint Online security via Content Security Policy (CSP) enforcement. Currently CSP is applied in reporting mode but as of March 1,…
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