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Topic

Content Security Policy Enforcement

A browser security standard restricting which scripts, styles, and network destinations a web page may load, set via HTTP headers or meta tags.

Current stories

securityConfirmed2 publishers

Entra ID sign-in pages will run only Microsoft-hosted scripts from mid-October

Microsoft will allow only scripts from its own CDN domains during Entra ID browser sign-ins under a Content Security Policy enforced from mid-October 2026. Browser extensions and tools that inject code into the sign-in page will stop working as the rollout completes in late October.

Reality

Evidence62
Adoption
Insufficient
Hype gap+10
Incentives30
Confidence70
buildOne report1 publisher

A CSP directive turns every string passed to innerHTML into a TypeError

MDN now lists the Trusted Types API as Baseline 2026, newly available. The JavaScript half only lets you sanitize; require-trusted-types-for is the part that makes an unsanitized assignment throw, and the sanitizer stays yours to write.

Publishers:developer.mozilla.org

Reality

Evidence70
Adoption
Insufficient
Hype gap+8
Incentives22
Confidence63